User:NationalRegisterBot/AllNRHPPages/M
Appearance
M
[edit]- M & O Chevrolet Company
- M L Ranch
- M Street High School
- M and J Nelson Building
- M'Clintock House
- M-26–Cedar Creek Culvert
- M-26–Silver River Culvert
- M-28–Sand River Bridge
- M-28–Tahquamenon River Bridge
- M-50–Sandstone Creek Bridge
- M-72–Au Sable River Bridge
- M-88–Intermediate River Bridge
- M. A. Benton House
- M. A. Withers House
- M. Armstrong and Company Carriage Factory
- M. Baylis House
- M. C. Mulligan & Sons Quarry
- M. E. Blanton House
- M. F. Heller House
- M. Fred Bell Rental Cottage
- M. Fred Bell Speculative Cottage
- M. Hall Stanton Public School
- M. J. Marks House
- M. J. Ward Feed Mill Complex
- M. L. B. Sturkey House
- M. Lloyd Frank Estate
- M. S. Whitcomb Farm
- M. Swift and Sons Company
- M. Wile and Company Factory Building
- M.B. Quivey House
- M.C. Kiser Company Building
- M.E. Beebe Historic District
- M.E. Davis House
- M.E. Doe House
- M.H. Merriam and Company
- M.J. Lavina Robidoux House
- M.M. Rhodes and Sons Company
- M.V. Gannon House
- MV Chugach Ranger
- MV Commander
- MV Kalakala
- MV Material Service
- MV Mississippi
- MV Plover
- MV Tourist No. 2
- MV Westward
- Maas Commercial Building
- Mabee House
- Mabel Dodge Luhan House
- Mabel Fincher School
- Mabel McDowell Adult Education Center
- Mabel Smyth Memorial Building
- Mabel Tainter Memorial Building
- Mabry–Hazen House
- MacAlpine (house)
- MacArthur Park Historic District
- MacCallum More and Hudgins House Historic District
- MacDonald Farm (New York, United States)
- MacDonald–Todd House
- MacDougal–Sullivan Gardens Historic District
- MacDowell (artists' residency and workshop)
- MacFarland House (Charleston, West Virginia)
- MacFarland House (Stanford, California)
- MacFarlane Homestead Historic District
- MacHaffie Site (24JF4)
- MacIntyre Park and MacIntyre Park High School
- MacKinnon Apartments
- MacLachlan Sanitarium
- MacLean Hall (University of the Ozarks)
- MacMillan Chapel
- MacMillan-Dilley House
- MacPheadris–Warner House
- MacTavish House
- Macalester College
- Maccabees Building
- Macedonia Baptist Church (Burlington, Ohio)
- Macedonia Baptist Church (Cuero, Texas)
- Macedonia Baptist Church (Holden, Louisiana)
- Macedonia Methodist Church
- Machaven
- Machell-Seaman House
- Machias Post Office and Customhouse
- Machias Valley Grange, No. 360
- Machias station
- Machine Shop Village District
- Machinery Row
- Machpelah (Townsville, North Carolina)
- Machpelah Cemetery (Le Roy, New York)
- Machpelah Cemetery (Mount Sterling, Kentucky)
- Mack Canyon Archeological Site
- Mack Morton Barn
- Mack-Belk House
- Mack-International Motor Truck Corporation Building
- Mackay Building
- Mackay Episcopal Church
- Mackay Estate Dairyman's Cottage
- Mackay Estate Gate Lodge
- Mackay Estate Water Tower
- Mackay Methodist Episcopal Church
- Mackay School of Earth Sciences and Engineering
- Mackie Building
- Mackinac Island
- Mackinac Trail–Carp River Bridge
- Mackinaw Historic District
- Macksburg Lutheran Church
- Macktown Historic District
- Maclay Mansion
- Macomb Courthouse Square Historic District
- Macomb Farm
- Macomber Stone House
- Macon City Auditorium
- Macon County Courthouse (Alabama)
- Macon County Courthouse (Georgia)
- Macon County Courthouse and Annex
- Macon Historic District (Macon, Georgia)
- Macon-Harrison House
- Macy's Herald Square
- Macy–Colby House
- Mad River Glen
- Mad River Valley Rural Historic District
- Madam Brett Homestead
- Madam Fredin's Eden Park School and Neighboring Row House
- Madam Walker Legacy Center
- Madame John's Legacy
- Madden School
- Madden's Tavern
- Maddux House
- Madeira (ship)
- Maden Hall Farm
- Mader House
- Madera County Courthouse
- Madewood Plantation House
- Madira Bickel Mound State Archaeological Site
- Madison Avenue Methodist Episcopal Church
- Madison Barracks
- Madison Brass Works
- Madison Buffalo Jump State Park
- Madison Candy Company
- Madison Carnegie Library
- Madison Civic Commercial District
- Madison County Bridge No. 149
- Madison County Courthouse (Arkansas)
- Madison County Courthouse (Georgia)
- Madison County Courthouse (Idaho)
- Madison County Courthouse (Iowa)
- Madison County Courthouse (Kentucky)
- Madison County Courthouse (Missouri)
- Madison County Courthouse (North Carolina)
- Madison County Courthouse (Tennessee)
- Madison County Courthouse (Virginia)
- Madison County Courthouse Historic District
- Madison Elementary School (Ogden, Utah)
- Madison Elementary School (Pittsburgh, Pennsylvania)
- Madison Elementary School (Winona, Minnesota)
- Madison Farm Historic and Archeological District
- Madison Gas and Electric Company Powerhouse
- Madison Green Historic District
- Madison Hall
- Madison Historic District (Madison, Georgia)
- Madison Historic District (Madison, Indiana)
- Madison Hotel (Atlantic City)
- Madison Masonic Lodge
- Madison Masonic Temple (Madison, South Dakota)
- Madison Masonic Temple (Madison, Wisconsin)
- Madison Municipal Building
- Madison Museum
- Madison National Bank
- Madison Parish Courthouse
- Madison Public Library (Madison, Maine)
- Madison School, District No. 1
- Madison Seminary
- Madison Square–West Main Street Historic District
- Madison Station Historic District
- Madison Street Historic District (Clarksville, Tennessee)
- Madison Street Methodist Church
- Madison Theatre
- Madison Vocational School
- Madison Waterworks
- Madison and Woodburn Historic District
- Madison station (Milwaukee Road)
- Madison station (NJ Transit)
- Madison station (South Dakota)
- Madison-Derr Iron Furnace
- Madisonville Bank
- Madisonville Commercial Historic District
- Madisonville Town Hall
- Madisonville site
- Madison–Barbour Rural Historic District
- Madison–Putnam–60th Place Historic District
- Madison–Stewart Historic District
- Madlener House
- Madonna Acres Historic District
- Madonna Church (Fort Lee, New Jersey)
- Madonna of the Trail
- Madras Municipal Airport
- Madrid Historic District
- Madrid Village Schoolhouse
- Madrona Manor
- Mads C. Larson House
- Mae and Philip Rothstein House
- Maeser Elementary
- Maeystown, Illinois
- Mafolie Great House
- Mag Blue House
- Magalia Community Church
- Magazine City Hall-Jail
- Magee Farm
- Magen David Synagogue (Brooklyn)
- Magevney House
- Maggie L. Walker Governor's School for Government and International Studies
- Maggie L. Walker National Historic Site
- Maggie Lee (skipjack)
- Maggie S. Myers (schooner)
- Magic (log canoe)
- Magic Mountain site
- Magill Cottage
- Magill House
- Maginnis Irrigation Aqueduct
- Magna Community Baptist Church
- Magness-Humphries House
- Magnetic Island (Alaska)
- Magnolia (Bennettsville, South Carolina)
- Magnolia (Gadsden, South Carolina)
- Magnolia (Scotland Neck, North Carolina)
- Magnolia Cemetery (Baton Rouge, Louisiana)
- Magnolia Cemetery (Charleston, South Carolina)
- Magnolia Cemetery (Greenwood, South Carolina)
- Magnolia Cemetery (Hartsville, South Carolina)
- Magnolia Cemetery (Mobile, Alabama)
- Magnolia Colored School Historic District
- Magnolia Commercial Historic District
- Magnolia Company Filling Station
- Magnolia Grange
- Magnolia Grove (Greensboro, Alabama)
- Magnolia Grove (Iron Station, North Carolina)
- Magnolia Hall (Greensboro, Alabama)
- Magnolia Hall (Hagood, South Carolina)
- Magnolia Hall (Natchez, Mississippi)
- Magnolia Heights Historic District
- Magnolia Hill (Natchez, Mississippi)
- Magnolia Hotel (Biloxi, Mississippi)
- Magnolia Hotel (Dallas, Texas)
- Magnolia Hotel (Omaha)
- Magnolia Lane Plantation
- Magnolia Manor (Arkadelphia, Arkansas)
- Magnolia Manor (Cairo, Illinois)
- Magnolia Mills
- Magnolia Mound Plantation House
- Magnolia Petroleum Company Filling Station
- Magnolia Place
- Magnolia Plantation (Derry, Louisiana)
- Magnolia Plantation (Knoxville, Maryland)
- Magnolia Plantation (Schriever, Louisiana)
- Magnolia Plantation and Gardens (Charleston, South Carolina)
- Magnolia Projects
- Magnolia Ranch
- Magnolia Service Station
- Magnolia Springs Historic District
- Magnolia station
- Magnus J. Carnahan House
- Magoffin Homestead
- Magothy Quartzite Quarry Archeological Site
- Magruder Plots
- Maguire-Williams House
- Mahaffie House
- Mahaiwe Block
- Mahaska County Courthouse
- Maher Building
- Mahlac Pictograph Cave
- Mahler and Carolina Trust Buildings
- Mahned Bridge
- Mahnke House
- Mahnomen City Hall
- Mahnomen County Courthouse
- Mahon River Light
- Mahone's Tavern
- Mahoney Building
- Mahoney Park
- Mahoney Site
- Mahoney–Clark House
- Mahonia Hall
- Mahony Historic District
- Mai-Kai Restaurant
- Maid-Rite Sandwich Shop (Springfield, Illinois)
- Maiden Lane Historic District
- Maiden Spring
- Maidstone (Owings, Maryland)
- Maidstone Manor Farm
- Maidstone State Park
- Maidstone-on-the-Potomac
- Maidu Museum & Historic Site
- Main Avenue Historic District (Durango, Colorado)
- Main Building (Montgomery, West Virginia)
- Main Building (St. Edward's University)
- Main Building (Torrance High School)
- Main Building (Vassar College)
- Main Building School
- Main Building, Mitchell College
- Main Building, U.S. Bureau of Mines
- Main Hall (Lawrence University)
- Main Hall, Randolph-Macon Women's College
- Main Hall/La Crosse State Normal School
- Main Interior Building
- Main Library (Albuquerque, New Mexico)
- Main Library (Erie, Pennsylvania)
- Main Library (University of Illinois Urbana-Champaign)
- Main Line of Public Works
- Main Mall Row
- Main Office of the New Castle Leather Company
- Main Road (St. Marys, Georgia)
- Main Sawmill
- Main School (Hillburn, New York)
- Main Street Banking Historic District
- Main Street Bridge (Charles City, Iowa)
- Main Street Bridge (New Blaine, Arkansas)
- Main Street Bridge (Pawtucket, Rhode Island)
- Main Street Bridge (Rochester, New York)
- Main Street Bridge (Stamford, Connecticut)
- Main Street Cemetery
- Main Street Commercial District (Dothan, Alabama)
- Main Street Commercial District (Little Rock, Arkansas)
- Main Street Commercial Historic District (Hamlet, North Carolina)
- Main Street Commercial Historic District (Jefferson, Wisconsin)
- Main Street Commercial Historic District (Platteville, Wisconsin)
- Main Street Commercial Historic District (Reedsburg, Wisconsin)
- Main Street Commercial Historic District (Watertown, Wisconsin)
- Main Street Grammar School
- Main Street Historic Commercial District (Point Arena, California)
- Main Street Historic District (Addison, New York)
- Main Street Historic District (Afton, New York)
- Main Street Historic District (Auburn, Maine)
- Main Street Historic District (Baton Rouge, Louisiana)
- Main Street Historic District (Brevard, North Carolina)
- Main Street Historic District (Bristol, Connecticut)
- Main Street Historic District (Brockport, New York)
- Main Street Historic District (Broussard, Louisiana)
- Main Street Historic District (Buffalo, Wyoming)
- Main Street Historic District (Chappell Hill, Texas)
- Main Street Historic District (Cold Spring Harbor, New York)
- Main Street Historic District (Cromwell, Connecticut)
- Main Street Historic District (Cuba, New York)
- Main Street Historic District (Damariscotta, Maine)
- Main Street Historic District (Danbury, Connecticut)
- Main Street Historic District (Darlington, Wisconsin)
- Main Street Historic District (Durham, Connecticut)
- Main Street Historic District (Easthampton, Massachusetts)
- Main Street Historic District (Flushing, Michigan)
- Main Street Historic District (Forest City, North Carolina)
- Main Street Historic District (Fort Atkinson)
- Main Street Historic District (Fryeburg, Maine)
- Main Street Historic District (Greenfield, Massachusetts)
- Main Street Historic District (Haverhill, Massachusetts)
- Main Street Historic District (Hendersonville, North Carolina)
- Main Street Historic District (Lake Geneva, Wisconsin)
- Main Street Historic District (Manchester, Connecticut)
- Main Street Historic District (Marion, North Carolina)
- Main Street Historic District (Mayville, Wisconsin)
- Main Street Historic District (McGraw, New York)
- Main Street Historic District (Medina, New York)
- Main Street Historic District (Menomonee Falls, Wisconsin)
- Main Street Historic District (Middletown, Connecticut)
- Main Street Historic District (Milan, Michigan)
- Main Street Historic District (Miles City, Montana)
- Main Street Historic District (Millerton, New York)
- Main Street Historic District (Millville, Massachusetts)
- Main Street Historic District (New Hamburg, New York)
- Main Street Historic District (Newberry, South Carolina)
- Main Street Historic District (Rockland, Maine)
- Main Street Historic District (Roslyn, New York)
- Main Street Historic District (Roxbury, New York)
- Main Street Historic District (Rutherfordton, North Carolina)
- Main Street Historic District (Stockbridge, Massachusetts)
- Main Street Historic District (Stone Ridge, New York)
- Main Street Historic District (Tampico, Illinois)
- Main Street Historic District (Thiensville, Wisconsin)
- Main Street Historic District (Trempealeau, Wisconsin)
- Main Street Historic District (Tuskegee, Alabama)
- Main Street Historic District (Waupaca, Wisconsin)
- Main Street Historic District (Webster, Massachusetts)
- Main Street Historic District (Westerly, Rhode Island)
- Main Street Historic District (Whitehall, New York)
- Main Street Historic District (Whitewater, Wisconsin)
- Main Street Historic District (Willimantic, Connecticut)
- Main Street Historic District (Woonsocket, Rhode Island)
- Main Street Historic District No. 2
- Main Street Market Square Historic District
- Main Street Methodist Episcopal Church South
- Main Street School
- Main Street and Murray Avenue Historic District
- Main Street–Albertson Street–Park Place Historic District
- Main Street–Black River Bridge
- Main Street–College Street Historic District
- Main Street–Frye Street Historic District
- Main Street–Locke Street Historic District
- Main and Eighth Streets Historic District
- Main and Franklin Streets Historic District
- Main and Military Plazas Historic District
- Main and Third Street Cluster
- Maine Apartments
- Maine Archaeological Survey site 21.26
- Maine Central Railroad General Office Building
- Maine Central School
- Maine Colony Historic District
- Maine Eye and Ear Infirmary
- Maine Historical Society
- Maine Industrial School for Girls
- Maine Maritime Museum
- Maine Publicity Bureau Building
- Maine State Building
- Maine State House
- Maine Street Historic District
- Maine Supply Company Building
- Maine Trolley Cars
- Maine Woods Office
- Mainstreet Theater
- Main–Broad–Grove Streets Historic District
- Main–Market Historic District
- Main–Partition Streets Historic District
- Main–Spanish Commercial Historic District
- Main–Yankee Street Historic District
- Maisel's Indian Trading Post
- Maish House
- Maitland Art Center
- Maitland Estate
- Maizefield
- Maj. David Graham House
- Maj. Gen. John Sedgwick House
- Maj. Gen. Lord Stirling Quarters
- Maj. Gen. William S. Harney Summer Home
- Maj. George Beecher Cook House
- Maj. Henry A. Meetze House
- Maj. James Alexander Tappan House
- Maj. James B. Bailey House
- Maj. James Scarborough House
- Maj. James W. McMullin House
- Maj. Jared B. Fisher House
- Maj. John A. Pickler Homestead
- Maj. John Burrowes Mansion
- Maj. John Gilman House
- Maj. John Hammond Fordham House
- Maj. John Neff Homestead
- Maj. Joseph Griswold House
- Majestic (riverboat)
- Majestic Building (Indianapolis, Indiana)
- Majestic Theatre (Dallas)
- Majestic Theatre (Detroit)
- Majestic Theatre (East St. Louis)
- Majestic Theatre (San Antonio)
- Major County Courthouse
- Major Hotel
- Major Jacob Hasbrouck Jr. House
- Major John André Monument
- Major Reuben Colburn House
- Major's Inn and Gilbert Block
- Maka Yusota
- Makapuʻu Point Light
- Makawao Union Church
- Make Peace
- Makefield Meeting
- Makemie Memorial Presbyterian Church
- Makens Bemont House
- Maker's Mark
- Mala Compra Plantation Archeological Site
- Malabar Branch Library
- Malabar Farm State Park
- Malad Second Ward Tabernacle
- Malaeloa/Ituau
- Malaga Island
- Malaguerra Winery
- Malakoff Diggins State Historic Park
- Malbis, Alabama
- Malbone Castle and Estate
- Malco Theatre
- Malcolm Blue Farm
- Malcolm K. Lee House
- Malcolm McDonald House
- Malcolm Willey House
- Malcolm X House
- Malcolm X House Site
- Malcolm X—Ella Little-Collins House
- Malden City Infirmary
- Malden Historic District
- Malden Inn
- Malden Towers
- Malek Theatre
- Malesso Japanese Rice Mill
- Malessu' Pillbox
- Malia (canoe)
- Malibu Historic District
- Mallett Hall (Lee, Maine)
- Mallett Hall (Pownal Center, Maine)
- Mallettown United Methodist Church
- Mallon Building
- Mallory Avenue Christian Church
- Mallory Mill
- Mallory Township Bridge
- Mallows Bay
- Malmborg School
- Malmo Mounds and Village Site
- Maloata Village Site
- Malone Armory
- Malone Freight Depot
- Maloney House (Lockport, New York)
- Maltby-Stevens Factory Site
- Maltz Performing Arts Center
- Malvern (Charlottesville, Virginia)
- Malvern Commercial Historic District
- Malvern Hall
- Malvern Hill
- Malvern Road School
- Malvern Roller Mill
- Malvern Rosenwald School
- Malvern station (Arkansas)
- Mamakating Park Historic District
- Mamaroneck Methodist Church
- Mamie S. Barrett (towboat)
- Mammoth Cave Baptist Church and Cemetery
- Mammoth Hot Springs Historic District
- Mammoth Spring State Park
- Mammoth, Utah
- Man Mound
- Mana Pillbox
- Manahawkin Baptist Church
- Manalcus Aycock House
- Manana Island Sound Signal Station
- Manasquan Friends Meetinghouse and Burying Ground
- Manassas Industrial School for Colored Youth
- Manassas National Battlefield Park
- Manassas Water Tower
- Manasseh Cutler Hall
- Manasses Guth Covered Bridge
- Manatee County Courthouse
- Manatí Bridge at Mata de Plátano
- Manayunk, Philadelphia
- Manchaug Village Historic District
- Manchester (Pittsburgh)
- Manchester (village), Vermont
- Manchester Apartments (Detroit)
- Manchester Apartments (Indianapolis, Indiana)
- Manchester Historic District (Manchester, Connecticut)
- Manchester Schoolhouse
- Manchester Street Bridge
- Manchester United Methodist Church
- Manchester Village Historic District (Manchester, Massachusetts)
- Manchester, Richmond, Virginia
- Mancos High School
- Mancos Opera House
- Mandan Commercial Historic District
- Mandarin Store and Post Office
- Mandel Brothers Warehouse Building
- Mandeville House
- Maness Schoolhouse
- Maney-Sidway House
- Manfred and Ethel Martin House
- Mangas Mountain Lookout Complex
- Manges Cabin
- Mango Promenade Historic District
- Mangohick Church
- Manhanset Chapel
- Manhattan Avenue–West 120th–123rd Streets Historic District
- Manhattan Beach Jewish Center
- Manhattan Bridge
- Manhattan Building (Chicago, Illinois)
- Manhattan Building (Muskogee, Oklahoma)
- Manhattan Building (Saint Paul, Minnesota)
- Manhattan Carnegie Library Building
- Manhattan Hotel (Salida, Colorado)
- Manhattan Laundry
- Manhattan Municipal Building
- Manhattan School
- Manheim Borough Historic District
- Manila station (Arkansas)
- Manion's General Store
- Manis Mastodon site
- Manistee Central Business District
- Manistee County Courthouse Fountain
- Manistee Harbor, South Breakwater
- Manistee Iron Works
- Manistee Pierhead lights
- Manistee Ranch
- Manistique East Breakwater Light
- Manistique Pumping Station
- Manito Park and Botanical Gardens
- Manitoga
- Manitou Bathhouse
- Manitou Camp
- Manitou Island Light Station
- Manitou Lodge
- Manitou Springs Bridges
- Manitou Springs Historic District
- Manitowoc County Courthouse
- Mankato Public Library and Reading Room
- Mankato Union Depot
- Mankin Mansion
- Manley School
- Manley-Lefevre House
- Manlius Village Historic District
- Manly-McCann House
- Mann Gulch fire
- Mann House (Concord, Michigan)
- Mann House (Forrest City, Arkansas)
- Mann Manor
- Mann Mound
- Mann School No. 2
- Mann site
- Mann-Simons Cottage
- Mann-Zwonecek House
- Manne Building
- Mannheim (Linville, Virginia)
- Mannheim (San Mar, Maryland)
- Manning Archeological Site
- Manning Cabin
- Manning Commercial Historic District
- Manning Commercial Historic District (Manning, Iowa)
- Manning House (Andover, Massachusetts)
- Manning Library
- Manning Manse
- Manning Milwaukee Railroad Trestle
- Manning Water Tower
- Manning, Lee and Moore Law Office
- Manning-Ball House
- Manning-Rye Covered Bridge
- Mannington Historic District
- Manning–Kamna Farm
- Manokin Historic District
- Manokin Presbyterian Church
- Manomet Mills
- Manor Club
- Manor House (Chicago)
- Manor House (Kenosha, Wisconsin)
- Manor House (Naples, Maine)
- Manor School (Manor, Georgia)
- Manor Street Elementary School
- Manor and Cottages
- Mansakenning
- Mansard Roof House
- Manse Hotel
- Mansel Passmore House
- Mansfield (Mercersburg, Pennsylvania)
- Mansfield (Petersburg, Virginia)
- Mansfield A. Daniels House
- Mansfield Armory
- Mansfield Center Cemetery
- Mansfield Center Historic District
- Mansfield Cheatham House
- Mansfield Covered Bridge
- Mansfield Cut Underwater Archeological District
- Mansfield Hollow Historic District
- Mansfield Hollow Lake
- Mansfield Plantation
- Mansfield Road–Michigamme River Bridge
- Mansfield Roller Mill
- Mansfield State Historic Site
- Mansfield Thornton House
- Mansfield Training School and Hospital
- Manship Farmstead
- Manship House (Jackson, Mississippi)
- Mansion Hill Historic District (Madison, Wisconsin)
- Mansion Historic District
- Mansion House (McDowell, Virginia)
- Mansion House (Public Landing, Maryland)
- Mansion House (Trenton, New Jersey)
- Mansion Row Historic District
- Manske–Niemann Farm
- Mansuy and Smith Automobile Showroom Building
- Manthey Barn
- Manti Carnegie Library
- Manti City Hall
- Manti Motor Company Building
- Manti National Guard Armory
- Manti Presbyterian Church
- Manti Utah Temple
- Mantle Rock Archeological District
- Mantle's Cave
- Manton–Hunt–Farnum Farm
- Mantorville, Minnesota
- Mantua Center School
- Manuel Silva Barn
- Manuel's Tavern
- Manuelita Trujillo House
- Manuelito Complex
- Manufacturer's National Bank
- Manufacturers Building (Rockingham, North Carolina)
- Manufacturing and Wholesale Historic District
- Manville Company Worker Housing Historic District
- Many Glacier Barn and Bunkhouse
- Many Glacier Campground Camptender's Cabin
- Many Glacier Hotel
- Many station
- Manzanar
- Manzanita Lake Naturalist's Services Historic District
- Manzano Court Addition Historic District
- Manzanola station
- Map Rock Petroglyphs Historic District
- Maple Avenue Historic District (Cambridge, Massachusetts)
- Maple Avenue Historic District (Elmira, New York)
- Maple Avenue Historic District (Hannibal, Missouri)
- Maple Avenue/Maple Lane Historic District
- Maple Bluff Boy Scout Cabin
- Maple Court Apartments
- Maple Dean Farm
- Maple Front Farm
- Maple Grove (Poughkeepsie, New York)
- Maple Grove (St. Joseph, Missouri)
- Maple Grove Cemetery (Mason, Michigan)
- Maple Grove Cemetery (Queens)
- Maple Grove Farm (Dover, Tennessee)
- Maple Grove Farm (Middletown, Delaware)
- Maple Grove Friends Church
- Maple Grove Road Rural Historic District
- Maple Hall
- Maple Hill Cemetery (Helena-West Helena, Arkansas)
- Maple Hill Cemetery (Huntsville, Alabama)
- Maple Hill Farm
- Maple Lawn
- Maple Lawn Farm
- Maple Leaf (shipwreck)
- Maple Leaf Farm Potato House
- Maple Park Historic District
- Maple Ridge, Tulsa
- Maple Roads
- Maple Springs
- Maple Street Cemetery
- Maple Street Chapel
- Maple Street Covered Bridge
- Maple Street Historic District (Addison, New York)
- Maple Street Historic District (Battle Creek, Michigan)
- Maple Street Historic District (Lewisburg, West Virginia)
- Maple Street Historic District (Southbridge, Massachusetts)
- Maple Street Overpass
- Maple Street–Clarks Avenue Historic District
- Maple Terrace Court and Walton Apartments
- Maple View Sanitarium
- Maple-Union Corners
- Maplelawn Farmstead
- Maples (Middletown, Delaware)
- Maples Cottage
- Mapleton (White Plains, New York)
- Mapleton Public Library
- Maplewood (Columbia, Missouri)
- Maplewood (Montgomery Township, New Jersey)
- Maplewood (Pembroke, Kentucky)
- Maplewood (Pliny, West Virginia)
- Maplewood Cemetery
- Maplewood Cemetery (Pulaski, Tennessee)
- Maplewood Farm (South Windham, Maine)
- Maplewood Farm (Spring Hill, Tennessee)
- Maplewood Historic District
- Maplewood Hotel
- Maplewood School
- Maplewood State Park
- Mappa Hall
- Maquoketa Caves State Park
- Maquoketa Company–Clinton Machine Company Administration Building
- Maquoketa Public Library
- Mar Vista Gardens
- Mar-Va Theater
- Mar-a-Lago
- Marabanong
- Marais des Cygnes Massacre Site
- Maramec Spring
- Marantette Bridge
- Marantette House
- Marathon County Fairgrounds
- Marathon County Historical Museum
- Marathon Motor Works
- Marathon Oil Service Station
- Marble Bridge (Proctor, Vermont)
- Marble Collegiate Church
- Marble Community Church
- Marble Creek Bridge
- Marble Head
- Marble High School
- Marble House
- Marble Rock Bank
- Marble Schoolhouse
- Marble Springs
- Marble Street Historic District
- Marblehead Historic District
- Marblehead Light (Massachusetts)
- Marblehead Light (Ohio)
- Marcel Breuer House II
- Marcell Ranger Station
- Marcella Church & School
- Marcella Sembrich Opera Museum
- Marcellus Luther and Julia Protzman Temple House
- Marcellus Pedrick House
- March Air Reserve Base
- March Route of Rochambeau's Army: Bailey Road
- March Route of Rochambeau's Army: Hutchinson Road
- March Route of Rochambeau's Army: Manship Road-Barstow Road
- March Route of Rochambeau's Army: Old Canterbury Road
- March Route of Rochambeau's Army: Palmer Road
- March Route of Rochambeau's Army: Plainfield Pike
- March Route of Rochambeau's Army: Reservoir Road
- March Route of Rochambeau's Army: Ridgebury Road
- March Route of Rochambeau's Army: Scotland Road
- Marcheston Killett Farm
- Marcia Browne Junior High School
- Marconi Wireless Station Site (South Wellfleet, Massachusetts)
- Marconi Wireless Telegraphy Station (Kahuku, Hawaii)
- Marconi-RCA Bolinas Transmitting Station
- Marconi–RCA Wireless Receiving Station
- Marcotte Nursing Home
- Marcouse Building
- Marcus Beebe House
- Marcus Curtiss Inn
- Marcus Daly Memorial Hospital
- Marcus DeWitt Carlock House
- Marcus Hobbs House
- Marcus Hook Range Rear Light
- Marcus Meyer Skinner House
- Marcus P. Beebe Library
- Marcus Royster Plantation
- Marcus Sears Bell Farm
- Marcus Tilley House
- Marcus Whitman Hotel
- Marcy Village Apartments
- Mardock Mission
- Mardot Antique Shop
- Mare Island Naval Shipyard
- Marengo Gardens
- Marenka House
- Marentis House
- Margaret Block
- Margaret Derrow House
- Margaret E. Poague House
- Margaret Esherick House
- Margaret Fuller House
- Margaret Mitchell House and Museum
- Margaret Murray Washington School
- Margaret Reaney Memorial Library
- Margaret Sanger Clinic
- Margaret Wetzel House
- Margaret and George Riley Jones House
- Margots
- Margrace Mill Village Historic District
- Mari Sandoz High Plains Heritage Center
- Mari-Castle
- Maria Baldwin House
- Maria Bassett House
- Maria J. and Juan Trujillo House
- Maria Parham Health
- Maria and Franklin Wiltrout Polygonal Barn
- Mariah's Chapel
- Marian Anderson House
- Marian Apartments (Griffin, Georgia)
- Marian Apartments (Lafayette, Indiana)
- Marian Fell Library
- Marianna City Hall
- Marianna Commercial Historic District
- Marianna Historic District (Marianna, Florida)
- Marianna Historic District (Marianna, Pennsylvania)
- Marianna Waterworks
- Marianna station
- Marias River Bridge
- Mariaville Historic District
- Maricao Fish Hatchery
- Maricopa County Courthouse
- Marie Clare Dessaint House
- Marie Selby Botanical Gardens
- Marie Webster House
- Marie Zimmermann Farm
- Mariemont Historic District
- Maries County Jail and Sheriff's House
- Marietta (Glenn Dale, Maryland)
- Marietta Canty House
- Marietta Historic District (Marietta, Ohio)
- Marietta Historic District (Marietta, Pennsylvania)
- Marietta Johnson School of Organic Education
- Marietta National Cemetery
- Marin Art and Garden Center
- Marin County Civic Center
- Marina Historic District
- Marina Park Historic District
- Marindahl Post Office
- Marine Air Terminal
- Marine Barracks (Philadelphia, Pennsylvania)
- Marine Barracks, Washington, D.C.
- Marine Chapter House
- Marine City City Hall
- Marine City Water Works
- Marine Corps Air Station Kaneohe Bay
- Marine Corps Air Station Tustin
- Marine Corps Base Quantico
- Marine Corps Depot of Supplies, Schuylkill Warehouse
- Marine Corps Recruit Depot San Diego
- Marine Corps Supply Activity
- Marine Mill
- Marine National Bank
- Marine Reservation Historic District
- Marine Villa Neighborhood Historic District
- Marine on St. Croix, Minnesota
- Marineland of Florida
- Mariner's Church (Portland, Maine)
- Mariner's Temple
- Mariners House
- Mariners' Church
- Marinette station
- Marion Allsup House
- Marion Battelle Three-Decker
- Marion Butler Birthplace
- Marion Carll Farm
- Marion Carnegie Public Library
- Marion Castle
- Marion Catholic High School
- Marion Cemetery Receiving Vault
- Marion Colored High School
- Marion Commercial Historic District
- Marion County Bridge 0501F
- Marion County Courthouse (Arkansas)
- Marion County Courthouse (Georgia)
- Marion County Courthouse (Iowa)
- Marion County Courthouse (Kansas)
- Marion County Courthouse (Missouri)
- Marion County Courthouse (Ohio)
- Marion County Courthouse (West Virginia)
- Marion County Housing Committee Demonstration House
- Marion County Jail and Jailor's House
- Marion County Lake
- Marion Courthouse Square Historic District
- Marion Downtown Commercial Historic District
- Marion Female Seminary
- Marion Forks Guard Station
- Marion High School (South Carolina)
- Marion Historic District (Marion, South Carolina)
- Marion Historic District (Marion, Virginia)
- Marion Hotel (Ocala, Florida)
- Marion House and Marion Brothers Store
- Marion Jasper Jordan Farm
- Marion Male Academy
- Marion Nichols Summer Home
- Marion Park Pavilion
- Marion Parsons House
- Marion Reed Elliott House
- Marion Ridgeway Polygonal Barn
- Marion Steam Shovel (Le Roy, New York)
- Marion Street Area Historic District
- Marion Veterans Affairs Medical Center
- Marion and Julia Kelley House
- Marion station (Virginia)
- Marion, Connecticut
- Mariposa County Courthouse
- Mariposa Grove
- Mariscal Mine
- Marissa Academy
- Marjorie Kinnan Rawlings Historic State Park
- Marjory Stoneman Douglas House
- Mark F. and Eliza J. Wentworth House
- Mark L. and Harriet E. Monteith House
- Mark O'Hara House
- Mark P. Jones House
- Mark Pardo Shellworks Site
- Mark Temple House
- Mark Twain Birthplace State Historic Site
- Mark Twain Boyhood Home & Museum
- Mark Twain Historic District
- Mark Twain Hotel
- Mark Twain Hotel (Chicago)
- Mark Twain House
- Mark Twain School
- Mark Twain State Park
- Mark Wentworth House
- Marked Tree Commercial Historic District
- Marked Tree Lock and Siphons
- Markeen Apartments
- Markel Building
- Market Building (Clarkesville, Georgia)
- Market Center (Baltimore, Maryland)
- Market House (Fayetteville, North Carolina)
- Market House (Oswego, New York)
- Market House (Providence, Rhode Island)
- Market House Square District
- Market Master's House (Bladensburg, Maryland)
- Market Square (High Point, North Carolina)
- Market Square (Miamisburg, Ohio)
- Market Square Historic District (Buffalo, New York)
- Market Square Historic District (Houlton, Maine)
- Market Square Historic District (Newburyport, Massachusetts)
- Market Square, Knoxville
- Market Street Bridge (Chattanooga)
- Market Street Bridge (Ohio River)
- Market Street Bridge (Susquehanna River)
- Market Street Bridge (Wilkes-Barre, Pennsylvania)
- Market Street Historic District (Corning, New York)
- Market Street Historic District (Palmyra, New York)
- Market Street Historic District (Potsdam, New York)
- Market Street Historic District (Salem, New Jersey)
- Market Street Mansion District
- Market Street Row
- Market Street Warehouse Historic District
- Markey House
- Markham Cobblestone Farmhouse and Barn Complex
- Markham Farmstead
- Markham Historic District
- Markham House (Dublin, New Hampshire)
- Markham-Albertson-Stinson Cottage
- Markland (St. Augustine, Florida)
- Markle Banking & Trust Company Building
- Markle House and Mill Site
- Marklesburg Historic District
- Markle–Pittock House
- Marks' Mills Battleground State Park
- Marksville Commercial Historic District
- Marksville Prehistoric Indian Site
- Marks–Family House
- Marktown
- Marl Hill
- Marland Filling Station
- Marland Heights Park and Margaret Manson Weir Memorial Pool
- Marlborough Brook Filter Beds
- Marlborough Building
- Marlborough Center Historic District
- Marlborough Congregational Church
- Marlborough Historic District
- Marlborough House (Bristol, Connecticut)
- Marlborough Street Historic District
- Marlborough Tavern
- Marlborough Village Historic District
- Marlbrook (Glasgow, Virginia)
- Marlette Lake Water System
- Marley House
- Marley Neck Rosenwald School
- Marlinton station
- Marlowe Elementary School
- Marmaduke Forster House
- Marmes Rockshelter
- Marmion (Comorn, Virginia)
- Maroon Creek Bridge
- Marott Hotel
- Marott's Shoes Building
- Marquam Manor
- Marquardt Farm
- Marquart-Mercer Farm
- Marquay Cottage
- Marquette Apartments
- Marquette Branch Prison
- Marquette Building (Chicago)
- Marquette Building (St. Louis)
- Marquette Bungalows Historic District
- Marquette City Hall
- Marquette County Courthouse
- Marquette County Courthouse and Marquette County Sheriff's Office and Jail
- Marquette Harbor Light
- Marquette Historic District
- Marquette Hotel (Cape Girardeau, Missouri)
- Marquette Hotel (Springfield, Missouri)
- Marquette Hotel (St. Louis)
- Marquette School
- Marquette Street Archaeological District
- Marquette and Western Railroad Negaunee Freight Depot
- Marquis Opera House
- Marqués de la Serna Bridge
- Marr's Creek Bridge
- Marrett House
- Marriott School
- Marriott St. Louis Grand Hotel
- Marriott Syracuse Downtown
- Marriott Wardman Park
- Marrow Bone Spring Archeological Site
- Marrowbone Historic District
- Mars Hill (Iowa)
- Mars Hill Anderson Rosenwald School
- Mars Hill Baptist Church
- Mars Hill High School
- Mars Hill University
- Mars Theatre
- Marsden Mounds
- Marseilles Hydro Plant
- Marseilles Lock and Dam
- Marseilles station
- Marsh Concrete Rainbow Arch Bridge
- Marsh Foundation School
- Marsh Hall
- Marsh Mills
- Marsh Rainbow Arch Bridge (Chippewa Falls, Wisconsin)
- Marsh Rainbow Arch Bridge (Lake City, Iowa)
- Marsh School
- Marsh Stream Farm
- Marsh-Johnson House
- Marsh-Warthen House
- Marshall Avenue Bridge (Marshall, Michigan)
- Marshall Business Historic District
- Marshall County Courthouse (Indiana)
- Marshall County Courthouse (Iowa)
- Marshall County Courthouse (Kansas)
- Marshall County Courthouse (Oklahoma)
- Marshall County Courthouse (South Dakota)
- Marshall County Infirmary
- Marshall Covered Bridge
- Marshall D. Miller Boathouse
- Marshall Field Garden Apartments
- Marshall Field and Company Building
- Marshall Field and Company Clubhouse
- Marshall Field and Company Store (Oak Park, Illinois)
- Marshall Hall, Maryland
- Marshall Hickmon Homestead
- Marshall High School (Marshall, North Carolina)
- Marshall Historic District
- Marshall Historic District (Marshall, Virginia)
- Marshall Hotel
- Marshall Hotel (Chicago)
- Marshall House (Canandaigua, New York)
- Marshall House (Little Rock, Arkansas)
- Marshall House (New Cumberland, West Virginia)
- Marshall House (Schuylerville, New York)
- Marshall Islands War Memorial Park
- Marshall Kornegay House and Cemetery
- Marshall M. Milford House
- Marshall Main Street Historic District
- Marshall Memorial Hall
- Marshall Point Light
- Marshall R. Sanguinet House
- Marshall Site
- Marshall Site (Chillicothe, Illinois)
- Marshall Smith House
- Marshall Square Historic District
- Marshall Street Armory
- Marshall Street Historic District (Allegan, Michigan)
- Marshall Street Historic District (Coldwater, Michigan)
- Marshall Symmes House
- Marshall Symmes Tenant House
- Marshall W. Jones House
- Marshall station (Missouri)
- Marshall's Bridge
- Marshall's Grove
- Marshall's Store
- Marshall-Harris-Richardson House
- Marshalldale
- Marshallton Inn
- Marshallton United Methodist Church
- Marshallton, Chester County, Pennsylvania
- Marshalltown Downtown Historic District
- Marshalltown, New Jersey
- Marshallville Commercial District
- Marshallville Historic District
- Marshall–Rucker–Smith House
- Marshfield (Trenton, South Carolina)
- Marshfield Central Avenue Historic District
- Marshfield Elks Temple
- Marshfield Hills, Massachusetts
- Marshlands (Beaufort, South Carolina)
- Marshlands Plantation House
- Marsh–Link–Pollock Farm
- Marsh–Place Building
- Marston House (Clarendon, Arkansas)
- Marston House (Clinton, Louisiana)
- Marstons Mills Community Church
- Marstons Mills Hearse House and Cemetery
- Martello Gallery-Key West Art and Historical Museum
- Marten-Becker House
- Martha Ellen Auditorium
- Martha Jefferson Historic District
- Martha Lewis (skipjack)
- Martha Pennock House
- Martha Poe Dogtrot House
- Martha and Maurice Ostheimer Estate
- Marthasville Hardware Building
- Martial Billeaud Jr. House
- Martilla–Pettingel and Gorder General Merchandise Store
- Martin Anderson House
- Martin Barrett House
- Martin Berry House
- Martin Blume Jr. Farm
- Martin Building (El Paso, Texas)
- Martin Bushnell House
- Martin Cemetery
- Martin Cheairs House
- Martin Chittenden House
- Martin County Courthouse (Indiana)
- Martin County Courthouse (Kentucky)
- Martin County Courthouse (Minnesota)
- Martin County Courthouse (North Carolina)
- Martin Covered Bridge
- Martin Cramer House
- Martin Donato House
- Martin Dunsbach House
- Martin Farm (Rehoboth, Massachusetts)
- Martin Farm Complex
- Martin Farmstead
- Martin Foard House
- Martin Hall (Hendrix College)
- Martin Hall (Providence College)
- Martin Hamilton House
- Martin Harris Gravesite
- Martin Himler House
- Martin Hoban House
- Martin Hofherr Farm
- Martin Homestead
- Martin Honner Chalkrock House
- Martin Horst House
- Martin Hotel (Sioux City, Iowa)
- Martin Hotel (Versailles, Missouri)
- Martin Hotel (Winnemucca, Nevada)
- Martin House (Cincinnati, Ohio)
- Martin House (Fulton, Illinois)
- Martin House (Greenville, Kentucky)
- Martin House (Seekonk, Massachusetts)
- Martin House (Wartrace, Tennessee)
- Martin House and Farm
- Martin Hughes House
- Martin Johnson House
- Martin K. Dahl House
- Martin Kinsley House
- Martin L. C. Wilmarth House
- Martin L. Kelsey House
- Martin L. and Mary Jane (Yount) Shantz House
- Martin Lindsey House
- Martin Luther College
- Martin Luther King Jr. Federal Building
- Martin Luther King Jr. Memorial Library
- Martin Luther King Jr. National Historical Park
- Martin Luther King Jr. Park
- Martin Luther King Magnet at Pearl High School
- Martin Luther Marsh House
- Martin Luther Pipes House
- Martin M. Bates Farmstead
- Martin Maloney Cottage
- Martin Marmon House
- Martin Parelius Fourplex
- Martin Place Historic District
- Martin Reef Light Station
- Martin Road Bridge
- Martin Roche–John Tait House
- Martin Schultz House
- Martin Site (Fosters Falls, Virginia)
- Martin Tower
- Martin V. Linwell House
- Martin Van Buren Barron House
- Martin Van Buren National Historic Site
- Martin Van Buren Parker House
- Martin Van Duyne House
- Martin W. Carr School
- Martin W. Roberts House
- Martin Walter House
- Martin Wenger House
- Martin Young House
- Martin and Carrie Hill House
- Martin and Kibby Blocks
- Martin's Brandon Church
- Martin's Cove
- Martin's Evangelical Church
- Martin's Mill Covered Bridge (Hartland, Vermont)
- Martin's Mill Covered Bridge (Marianna, Pennsylvania)
- Martin-Little House
- Martina Apartments
- Martindale Corn Crib
- Martinez Canyon Rockhouse
- Martinez Hacienda
- Martinez Library
- Martins Pond Site
- Martinsburg Mining, Manufacturing & Improvement Co. Historic District
- Martinsburg Town Hall
- Martinsville Commercial Historic District
- Martinsville Fish Dam
- Martinsville High School Gymnasium
- Martinsville Historic District
- Martinsville Northside Historic District
- Martinsville Novelty Corporation Factory
- Martinsville Road Covered Bridge
- Martinsville Sanitarium
- Martinsville station
- Martin–Fitch House and Asa Fitch Jr. Laboratory
- Martisco station
- Martyrs Monument in Midway
- Martín Peña Bridge
- Marven Gardens
- Marvin College Boys Dormitory and President's House
- Marvin Cottage
- Marvin Methodist Episcopal Church, South
- Marvin Newton House
- Marvin Tavern
- Marwood Apartments
- Marx House
- Marx–Hurlburt Building
- Mary A. Patterson Memorial
- Mary A. Whalen (tanker)
- Mary A. Wolfe House
- Mary A. and Caleb D. Scott House
- Mary Alice Hammond House
- Mary Allen Seminary
- Mary Andrews Clark Memorial Home
- Mary Ann Browne House
- Mary Ann Furnace Historic District
- Mary Ann Shadd Cary House
- Mary Anne Wales House
- Mary Baker Eddy House (Lynn, Massachusetts)
- Mary Baldwin University, Main Building
- Mary Ball Washington House
- Mary Birdsall House
- Mary C. W. Black Studio House
- Mary Channing Wister School
- Mary Church Terrell House
- Mary D. Hume (steamer)
- Mary Darwin House
- Mary Dean Three-Decker
- Mary Disston School
- Mary Duke Biddle Estate
- Mary E. Bell House
- Mary E. Surratt Boarding House
- Mary E. Switzer Memorial Building
- Mary E. Wells School
- Mary Elizabeth Day Nursery
- Mary Elizabeth Hospital
- Mary Ellen Parmley House
- Mary Etta Cox House
- Mary Fiske Stoughton House
- Mary Frances Isom Cottage
- Mary Gay House
- Mary Greenhaw Memorial Methodist Episcopal Church South
- Mary H. Wright Elementary School
- Mary Holmes College
- Mary Immaculate Seminary
- Mary Island Light
- Mary Jane Colter buildings
- Mary Jenkins Community Praise House
- Mary Lee Davis House
- Mary Lee Nichols School
- Mary Louise Court
- Mary McLeod Bethune Council House National Historic Site
- Mary McLeod Bethune Home
- Mary Mills Coxe House
- Mary Nohl Art Environment
- Mary Park Wilson House
- Mary Phifer McKenzie House
- Mary Plantation House
- Mary Point Estate
- Mary Queen of Heaven Roman Catholic Church
- Mary R. Hurd House
- Mary Ray Memorial School
- Mary Rockwell Hook House
- Mary Rogers Kimball House
- Mary Seaman Ennis House
- Mary Smith House
- Mary T. Ronan School
- Mary Todd Lincoln House
- Mary Van Duzer-Sayer House
- Mary W. Adams House
- Mary W. Somers (skipjack)
- Mary Wilkins Freeman House
- Mary Willis Library
- Mary Worthington Macomb House
- Mary and Eliza Freeman Houses
- Mary's Grove
- Mary's Mount
- Mary's River Covered Bridge
- Marycliff-Cliff Park Historic District
- Marycrest College Historic District
- Marygrove College
- Maryhill Museum of Art
- Maryhill Stonehenge
- Maryland Hotel
- Maryland State House
- Maryland Theatre (Hagerstown)
- Maryland White Lead Works
- Marymont (Murfreesboro, Tennessee)
- Marymoor Prehistoric Indian Site
- Marymount School of New York
- Marysville Historic Commercial District
- Marysville Opera House
- Marysville School
- Marysville Swedesburg Lutheran Church
- Maryville College
- Marywood Academy (Grand Rapids)
- Marzen House
- Marzoni House
- María Dávila Semidey School
- Mascho Building and Public Privy
- Mascot Roller Mills
- Masefau Defensive Fortifications
- Mashantucket Pequot Reservation Archeological District
- Mask and Wig
- Masker House
- Mason Brown House
- Mason Building
- Mason City Downtown Historic District
- Mason City Engine House No. 2
- Mason City Public Library
- Mason City YMCA
- Mason Cornwall House
- Mason County Courthouse (Michigan)
- Mason District Number 5 Schoolhouse
- Mason Historic District
- Mason House (Bradford, Arkansas)
- Mason House (Coal Run, Ohio)
- Mason House (Dublin, New Hampshire)
- Mason House (Guilford, Virginia)
- Mason School
- Mason Street Historic Residential District
- Mason and Dixon Survey Terminal Point
- Mason and Dixon West Line Milestone Markers 76 and 77
- Mason's Hall (Richmond, Virginia)
- Mason-Dorton School
- Masonboro Sound Historic District
- Masonic Block (Fargo, North Dakota)
- Masonic Block (Reading, Massachusetts)
- Masonic Building (Alexandria, Louisiana)
- Masonic Building (Billings, Montana)
- Masonic Building (Fort Benton, Montana)
- Masonic Building (Kerrville, Texas)
- Masonic Building (Osceola, Iowa)
- Masonic Center (Grand Forks, North Dakota)
- Masonic Female College and Cokesbury Conference School
- Masonic Hall (Augusta, Maine)
- Masonic Hall (Eastwood, Kentucky)
- Masonic Hall (Farmington, Washington)
- Masonic Hall (Waynesville, North Carolina)
- Masonic Hall (Wickenburg, Arizona)
- Masonic Hall–Federal Commissary Building
- Masonic Home Independent School District
- Masonic Home for Children
- Masonic Lodge (Missoula, Montana)
- Masonic Lodge 570
- Masonic Lodge Building (Kirkland, Washington)
- Masonic Lodge No. 238
- Masonic Lodge No. 472
- Masonic Opera House
- Masonic Temple (Aberdeen, South Dakota)
- Masonic Temple (Ames, Iowa)
- Masonic Temple (Atoka, Oklahoma)
- Masonic Temple (Aurora, Illinois)
- Masonic Temple (Belfast, Maine)
- Masonic Temple (Berkeley, California)
- Masonic Temple (Casper, Wyoming)
- Masonic Temple (Chambersburg, Pennsylvania)
- Masonic Temple (Cheyenne, Wyoming)
- Masonic Temple (El Dorado, Arkansas)
- Masonic Temple (Evansville, Indiana)
- Masonic Temple (Fairmont, West Virginia)
- Masonic Temple (Fort Wayne, Indiana)
- Masonic Temple (Gainesville, Florida)
- Masonic Temple (Great Falls, Montana)
- Masonic Temple (Huntington, West Virginia)
- Masonic Temple (Jacksonville)
- Masonic Temple (Kent, Ohio)
- Masonic Temple (Kingman, Arizona)
- Masonic Temple (Kirksville, Missouri)
- Masonic Temple (Lewistown, Montana)
- Masonic Temple (Lincoln, Nebraska)
- Masonic Temple (Mechanicsburg, Ohio)
- Masonic Temple (Meridian, Mississippi)
- Masonic Temple (Muncie, Indiana)
- Masonic Temple (Paducah, Kentucky)
- Masonic Temple (Parkersburg, West Virginia)
- Masonic Temple (Pendleton, Oregon)
- Masonic Temple (Philadelphia, Pennsylvania)
- Masonic Temple (Pine Bluff, Arkansas)
- Masonic Temple (Port Angeles, Washington)
- Masonic Temple (Port Hope, Michigan)
- Masonic Temple (Portland, Maine)
- Masonic Temple (Quincy, Massachusetts)
- Masonic Temple (Richmond, Virginia)
- Masonic Temple (Riverside, California)
- Masonic Temple (Salina, Kansas)
- Masonic Temple (Shreveport, Louisiana)
- Masonic Temple (Springfield, Massachusetts)
- Masonic Temple (Springfield, Ohio)
- Masonic Temple (Warrensburg, Missouri)
- Masonic Temple (Washington, D.C.)
- Masonic Temple (Worcester, Massachusetts)
- Masonic Temple (Yakima, Washington)
- Masonic Temple (Youngstown, Ohio)
- Masonic Temple (Yuma, Arizona)
- Masonic Temple Building (Blount Street, Raleigh, North Carolina)
- Masonic Temple Building (Cadillac, Michigan)
- Masonic Temple Building (Denver, Colorado)
- Masonic Temple Building (East Lansing, Michigan)
- Masonic Temple Building (Fayetteville Street, Raleigh, North Carolina)
- Masonic Temple Building (Kalamazoo, Michigan)
- Masonic Temple Building (Lansing, Michigan)
- Masonic Temple Building (Marshall, Michigan)
- Masonic Temple Building (Maywood, Illinois)
- Masonic Temple Building (Shelby, North Carolina)
- Masonic Temple Building (Stuart, Iowa)
- Masonic Temple Building (Vermilion, Ohio)
- Masonic Temple Building (Viroqua, Wisconsin)
- Masonic Temple Building (Zanesville, Ohio)
- Masonic Temple Building-Temple Theater
- Masonic Temple No. 25
- Masonic Temple Theater
- Masonic Temple and Lodge (Alameda, California)
- Masonic Temple and Theater
- Masonic Temple of Citrus Lodge No. 118, F. and A.M.
- Masonic Temple of Des Moines
- Masonic Temple — Newport Lodge No. 445 F. & A.M.
- Masonic Temple-Hoquiam
- Masonic Widows and Orphans Home
- Mason–Drennen House
- Mason–Hardee–Capel House
- Mason–Tillett House
- Mason–Watkins House
- Mass Ave Cultural Arts District
- Massachusetts Avenue Historic District (Worcester, Massachusetts)
- Massachusetts Avenue Parking Shops
- Massachusetts Fields School
- Massachusetts General Hospital, Bulfinch Building
- Massachusetts Hall (Harvard University)
- Massachusetts Hall, Bowdoin College
- Massachusetts Historical Society
- Massachusetts Hornfels-Braintree Slate Quarry
- Massachusetts Mental Health Center
- Massachusetts Museum of Contemporary Art
- Massachusetts School of Art
- Massachusetts State Armory
- Massachusetts State House
- Massacoe Forest Pavilion
- Massacre Canyon
- Massanetta Springs Historic District
- Massanutton Heights
- Massaponax Baptist Church
- Massasoit Fire House No. 5
- Massenburg Plantation
- Massey Hill Classical High School
- Massey Hotel
- Massey-Doby-Nisbet House
- Massie House
- Massie Variety Store
- Massie Wireless Station
- Mast Farm
- Mast General Store
- Masten-Quinn House
- Master Apartments
- Master Mechanic's House
- Master Service Station (Waterloo, Iowa)
- Masters Building
- Masters Road–Belle River Bridge
- Masterton-Dusenberry House
- Mastery Charter School Mann Elementary
- Mastery Charter School Shoemaker Campus
- Mastery Charter School Thomas Campus
- Mastodon State Historic Site
- Maston House
- Masur Museum of Art
- Masury Estate Ballroom
- Matagorda County Monument
- Matagorda Island Light
- Mataguac Hill Command Post
- Matanuska Colony Community Center
- Matchless Mine
- Matewan Historic District
- Matgue River Valley Battle Area
- Mather Building
- Mather Homestead (Hartford, Connecticut)
- Mather House (Convent, Louisiana)
- Mather Inn
- Mather Lodge
- Mather Mansion
- Matheson House (Gainesville, Florida)
- Mathew Bowen Homestead
- Mathew Elmore Sewalt House
- Mathew H. Ritchey House
- Mathew Mound
- Mathews County Courthouse Square
- Mathews Downtown Historic District
- Mathewson Block
- Mathewson Farm
- Mathewson–Bice Farmhouse and Mathewson Family Cemetery
- Mathewson–Gerecke House
- Mathews–Powell House
- Mathias C. and Eva B. Crowell Fuhrman Farm
- Mathias Ham House
- Mathias J. Alten House and Studio
- Mathias Lasele House
- Mathias Merkwan Rubblestone Barn
- Mathias Mitchell Public Square–Main Street Historic District
- Mathias Peterson Homestead
- Mathias Sharp House
- Mathias Willis Store House
- Mathias Wolf Farm
- Mathis House
- Mathis-Hyde House
- Matinecock Friends Meetinghouse
- Matinicus Rock Light
- Mato Kosyk House
- Matsell Bridge
- Matson Building
- Matson Street Historic District
- Matsumoto House
- Matt N. Hill Homestead Barn
- Matt Ruatsale Homestead
- Matt and Emma Hill Farmstead
- Matt's Place Drive-In
- Matt-Bahls House
- Mattapany-Sewall Archeological Site
- Mattapax
- Mattaponi Church
- Matthew Baird Mansion
- Matthew Callahan Log Cabin
- Matthew Cartwright House (Terrell, Texas)
- Matthew Cottrill House
- Matthew Edel Blacksmith Shop and House
- Matthew Fontaine Maury School
- Matthew Geary House
- Matthew Hair Farm
- Matthew Harvey House
- Matthew Henson Residence
- Matthew Hueston House
- Matthew J. and Florence Lynch House and Garden
- Matthew Jones House
- Matthew Lowber House
- Matthew Lynch House
- Matthew McCrea House
- Matthew Moore House
- Matthew R. Bentley House
- Matthew S. Quay House
- Matthew Shoecraft House
- Matthew T. Scott House
- Matthew Thornton House
- Matthew Warner House
- Matthew Whaley School
- Matthew and Johanna Rowan House
- Matthews Commercial Historic District
- Matthews Fulling Mill Site
- Matthews Hall (Tempe, Arizona)
- Matthews House (Danburg, Georgia)
- Matthews House (North Little Rock, Arkansas)
- Matthews Place
- Matthews Stone Company Historic District
- Matthews and Willard Factory
- Matthews-Bradshaw House
- Matthews-Bryan House
- Matthews-Dillon House
- Matthews-Godt House
- Matthews-MacFadyen House
- Matthews-Storey House
- Matthias Cowley House
- Matthias Gast House
- Matthias Pennypacker Farm
- Matthias Smith House
- Matthias Smock House
- Mattias Scholle House
- Mattie Beal House
- Mattie Midgett Store and House
- Mattie V. Lee Home
- Matton Shipyard
- Mattoon station
- Mauch Chunk Switchback Railway
- Mauch Chunk station (Central Railroad of New Jersey)
- Mauck's Meetinghouse
- Maud and Belle Ainsworth House
- Maude R. Toulson Federal Building
- Maude Stanfield Harter Borland House
- Mauldin House
- Mauldin-Hall House
- Maull House
- Maumelle Ordnance Works Bunker No. 4
- Maumelle Ordnance Works Locomotive 1
- Mauna Kea Ice Age Reserve
- Mauna Loa
- Maupin Section Foreman's House
- Maurice Crumpacker House
- Maurice Egan House
- Maurice Hart House
- Maurice Seitz House
- Maurice W. Manche Farmstead
- Maurice and Thelma Rothman House
- Mauricetown, New Jersey
- Mauricio Portillo House
- Maury Street Marker, Jefferson Davis Highway
- Mausert Block
- Maverick Concert Hall
- Mavilla Bridge
- Mawavi Historic District, Chopawamsic RDA Camp 2
- Max Bettin House
- Max Keil Building (700 N. Market Street)
- Max Keil Building (712 N. Market Street)
- Max Petersen House
- Max and Claire Brombacher House
- Max and Emma Sue McRae House
- Max and Esther De Pree House
- Max and Ollie Lueddemann House
- Maxbilt Theatre
- Maxton Historic District
- Maxwell Air Force Base Senior Officers' Quarters Historic District
- Maxwell Chambers House
- Maxwell E. Perkins House
- Maxwell F. Mayer House
- Maxwell Farm
- Maxwell Hall (Patuxent, Maryland)
- Maxwell House (Stedman, North Carolina)
- Maxwell Park School
- Maxwell Street Bridge
- Maxwell Woodhull House
- Maxwell-Briscoe Automobile Company Showroom
- Maxwell-Hinman House
- Maxwell-Kirby House
- Maxwell-Sweet House
- Maxwelton
- May Company Ohio
- May Farmstead
- May Hosiery Mills Knitting Mill
- May Patterson Goodrum House
- May Street Historic District
- May-Stringer House
- Mayagüez City Hall
- Mayall Bruner House
- Maybelle and Ezra Carter House
- Mayberry Mound and Village Site
- Mayberry Presbyterian Church
- Maybury Hill
- Maybury–McPherson House
- Maycroft
- Mayer Hirsch House
- Mayer Red Brick Schoolhouse
- Mayes House
- Mayes-Hutton House
- Mayesville Historic District
- Mayfair (Jenkinsville, South Carolina)
- Mayfair Apartments
- Mayfair Hotel (Searcy, Arkansas)
- Mayfair Hotel (St. Louis, Missouri)
- Mayfair House
- Mayfair Mansions Apartments
- Mayfield (Middletown, Delaware)
- Mayfield Cottage
- Mayfield Downtown Commercial District
- Mayfield Dugout
- Mayfield Fortification
- Mayfield, Baltimore
- Mayfield–Gutsch Estate
- Mayflower (scow-schooner)
- Mayflower Hotel
- Mayflower II
- Mayflower School (Juneau, Alaska)
- Mayhew Cabin
- Mayhurst
- Maymead Farm
- Maymont
- Mayna Treanor Avent Studio
- Maynard Buehler House
- Maynard Town Hall and Jail
- Maynard and Edith Hamlin Dixon House and Studio
- Mayo Building (Northfield, Vermont)
- Mayo Building (Tulsa, Oklahoma)
- Mayo Hotel
- Mayo House (Marvell, Arkansas)
- Mayo Mansion
- Mayo Memorial United Methodist Church (Paintsville, Kentucky)
- Mayor Andrew Broaddus
- Mayor Edwin O. Childs House
- Mays General Store
- Mays Island
- Mays Landing Presbyterian Church
- Mays Landing, New Jersey
- Mays Lick Consolidated School
- Mays Lick Negro School
- Mays-Boddie House
- Mayslake Peabody Estate
- Maysville Downtown Historic District
- Maysville Historic District (Maysville, Georgia)
- Maysville Historic District (Mobile, Alabama)
- Maysville School
- Maysville Schoolhouse
- Maytag Aircraft Building
- Mayville Historic District
- Mayville Public Library
- Mayville station (New York)
- Mayville station (North Dakota)
- Maywood Fire Department Building
- Maywood Historic District
- Maywood Station Museum
- Maywood Woman's Club
- Mayworth School
- May–Kraus Farm
- May–Lecta–Sweet Historic District
- Mazique Archeological Site
- Mazomanie Downtown Historic District
- Mazomanie Town Hall
- Mazon Creek fossil beds
- Mañagaha
- McAdams House
- McAdams and Morford Building
- McAdenville Historic District
- McAlester House
- McAlester Scottish Rite Temple
- McAllister Covered Bridge
- McAllister House (Colorado Springs, Colorado)
- McAllister House (Seiling, Oklahoma)
- McAllister-Beaver House
- McAlmond House
- McAndrews-Gallaher House
- McArthur-Council House
- McArthur-Martin Hexadecagon Barn
- McAuley School District No. 27
- McAvinney Fourplex
- McBean Cottage
- McBee Methodist Church
- McBee station
- McBirney Mansion (Tulsa, Oklahoma)
- McBride-Sims Garage
- McBride–Hickey House
- McBryde–Screws–Tyson House
- McCabe Building (Everett, Washington)
- McCabe Building (Victoria, Texas)
- McCabe Memorial Church
- McCaffrey House
- McCain Furniture Store
- McCall Family Farmstead
- McCall House (Fayetteville, North Carolina)
- McCall Street Historic District
- McCalls Ferry Farm
- McCallum Manor
- McCanaan Missionary Baptist Church and Cemetery
- McCandless Archeological Site
- McCandless Building
- McCanna–Hubbell Building
- McCart Fire Lookout
- McCarthy Building (Troy, New York)
- McCarthy General Store
- McCarthy Homestead Cabin
- McCarthy House (Virginia City, Nevada)
- McCarthy Power Plant
- McCarthy–Platt House
- McCartney–Bone House
- McCarty Memorial Christian Church
- McCauley and Meyer Barns
- McCauley-Watson House
- McChord Field Historic District
- McClain County Courthouse
- McClain-Ellison House
- McClaine House
- McClanahan Block
- McClary House
- McClay's Twin Bridge (East)
- McClay's Twin Bridge (West)
- McCleary Elementary School
- McCleary Farm
- McCleary, Washington
- McCleery Calendar Factory
- McClellan Heights Historic District
- McClellan's General Store
- McClelland Homestead
- McClelland-Davis House
- McClelland-Layne House
- McClelland–Grimes Farm
- McClellanville Historic District
- McClenahan House
- McCleod House
- McClintock Hall
- McCloud, California
- McClung Farm Historic District
- McClung's Price Place
- McClure-Hilton House
- McClure–Shelby House
- McClurg Building (Chicago, Illinois)
- McClurg Building (Racine, Wisconsin)
- McCobb–Hill–Minott House
- McColley's Chapel
- McColloch-Weatherhogg Double House
- McCollum Fish Weir
- McCollum Hall (Fort Myers, Florida)
- McCollum Mound
- McCollum and Post Silk Mill
- McCollum-Chidester House
- McCollum-Murray House
- McColly Covered Bridge
- McComas Institute
- McConahay Building
- McCone Residence
- McConnell Historic District
- McConnell House (McConnellsburg, Pennsylvania)
- McConnell House, Law Office, and Slave Quarters
- McConnell Springs Park
- McConnell's Mill Covered Bridge
- McConnell's Windmill
- McConnellsburg Historic District
- McConnell–McGuire Building
- McConnell–Neve House
- McCook County Courthouse
- McCook Family Estate
- McCook Public-Carnegie Library
- McCook YMCA
- McCord House
- McCord Village
- McCord-Brady Company
- McCorkle-Fewell-Long House
- McCormack Church
- McCormack-Bowman House
- McCormick Cabin Site
- McCormick County Courthouse
- McCormick Distilling Company
- McCormick Hall
- McCormick Harvesting Machine Company Building
- McCormick Manufacturing Company Building
- McCormick Observatory
- McCormick station
- McCormick's Creek State Park Entrance and Gatehouse
- McCormick's Livery and Feed Stable Sign
- McCormick–International Harvester Company Branch House
- McCornick Building
- McCosh Grist Mill
- McCoy Farmhouse (Fitchburg, Wisconsin)
- McCoy Farmstead (Holly Hill, South Carolina)
- McCoy House (Franklin, West Virginia)
- McCoy House (Kirkwood, Delaware)
- McCoy House (Lewistown, Pennsylvania)
- McCoy Mill
- McCoy Polygonal Barn
- McCoy-Maddox House
- McCoy–Shoemaker Farm
- McCracken Brothers Motor Freight Building
- McCracken-McFarland House
- McCrady's Tavern and Long Room
- McCranie's Turpentine Still
- McCrary House
- McCraw Cemetery
- McCray School
- McCrory Commercial Historic District
- McCrory Waterworks
- McCrory-Mayfield House
- McCulla House
- McCullagh–Jones House
- McCulloch County Courthouse
- McCulloch's Gold Mill
- McCullough Park (Houston)
- McCullough–Price House
- McCune Mound and Village Site
- McCune Site
- McCurdy Building
- McCurdy Hotel
- McCurdy Log House
- McCurdy Smokehouse
- McCurry-Kidd House
- McCutchen Meadows
- McDaniel Building
- McDaniel Street Historic District
- McDaniel-Tichenor House
- McDannald Homestead
- McDonald Farm (Xenia, Ohio)
- McDonald House (Winterset, Iowa)
- McDonald Mansion
- McDonald Ranch
- McDonald Theatre
- McDonald's sign (Pine Bluff, Arkansas)
- McDonald's–Kline's Mill
- McDonald–Bolner House
- McDonald–Wait–Newton House
- McDonell Central Catholic High School
- McDonogh 19 Elementary School
- McDonogh Place Historic District
- McDonough County Courthouse
- McDonough Historic District
- McDougal Filling Station
- McDougall–Campbell House
- McDowell County Courthouse (North Carolina)
- McDowell County Courthouse (West Virginia)
- McDowell House
- McDowell Memorial Presbyterian Church
- McDowell Site
- McElhinny House
- McElroy Octagon House
- McElwee Houses
- McEwen-Samuels-Marr House
- McFadden Barn
- McFadden House (Holton, Kansas)
- McFaddin–Ward House
- McFarland Heights
- McFarland House (Charleston, Illinois)
- McFarland House (McFarland, Wisconsin)
- McFarland State Historic Park
- McFarland-Render House
- McFarlane–Bredt House
- McFarlin Building
- McFarlin Memorial Auditorium
- McGavock Family Cemetery
- McGavock-Gatewood-Webb House
- McGavock–Gaines House
- McGeahy Building
- McGee House (Aztec, New Mexico)
- McGee School
- McGees Mills Covered Bridge
- McGehee City Jail
- McGehee House (Hammond, Louisiana)
- McGehee National Guard Armory
- McGehee Plantation
- McGehee Post Office
- McGehee station
- McGehee–Stringfellow House
- McGilbert House
- McGill Historical Drug Store Museum
- McGill station (Nevada)
- McGlashan-Nickerson House
- McGolrick Park
- McGonagle Site, RI-1227
- McGovney–Yunker Farmstead
- McGranahan Portion of the Chisholm Trail Roadbed
- McGrath Cafe and Hotel
- McGraw Ranch
- McGregor (Port Gibson, Mississippi)
- McGregor Apartments
- McGregor Commercial Historic District
- McGregor Hall
- McGregor Memorial Conference Center
- McGuire-Setzer House
- McGurk Cabin
- McHaffey Opera House
- McHenry County Courthouse
- McHenry Mansion
- McHenry Railroad Loop
- McHugh–Andrews House
- McIlwaine House
- McIndoes Academy
- McInteer Villa
- McIntire Garrison House
- McIntire Ranch
- McIntosh Building
- McIntosh Corner Historic District
- McIntosh County Courthouse (North Dakota)
- McIntosh Historic District
- McIntosh Sugarworks
- McIntyre Building
- McIntyre House (Logan, Arkansas)
- McIntyre House (Salt Lake City)
- McIntyre-Burri House
- McJohnston Chapel and Cemetery
- McKean site
- McKee Botanical Garden
- McKee Bridge
- McKee Button Company
- McKee Street Bridge
- McKee-Vimont Row Houses
- McKees Rocks Bridge
- McKeesport National Bank
- McKendree Chapel
- McKendree Methodist Episcopal Church
- McKendree Mitchell House
- McKenna Cottage
- McKennon House
- McKennon-Shea House
- McKenstry Manor
- McKenzie House (Scott, Arkansas)
- McKenzie Well
- McKenzie Windmill
- McKibbon House
- McKim Observatory
- McKim's School
- McKinley Climatic Laboratory
- McKinley County Courthouse
- McKinley Elementary School (Davenport, Iowa)
- McKinley Elementary School (Wyandotte, Michigan)
- McKinley High School (Louisiana)
- McKinley National Memorial
- McKinley Park School
- McKinley Park, Sacramento
- McKinley School (Cincinnati, Ohio)
- McKinley School (Columbus, Indiana)
- McKinley School (Vassar, Michigan)
- McKinley Tower Apartments
- McKinney Building
- McKinney Cemetery
- McKinney Falls State Park
- McKinney Homestead
- McKinney House
- McKinney Stables of Empire City Farms
- McKinstrey House
- McKinstry's Mills Historic District
- McKittrick Canyon
- McKittrick Farmers Mercantile
- McKleroy-Wilson-Kirby House
- McKnight District
- McLachlen Building
- McLain Rogers Park
- McLaughlin House and Garden
- McLaughlin Mound
- McLaurin House
- McLaurin-Roper-McColl Farmstead
- McLean County Courthouse and Square
- McLean Hospital
- McLean House (Little Rock, Arkansas)
- McLellan House
- McLellan-Sweat Mansion
- McLemore Cemetery
- McLemore Cove Historic District
- McLemore House
- McLemore Site
- McLemore-Sharpe Farmstead
- McLeod Family Rural Complex
- McLeod Farmstead
- McLeod Plantation
- McLevy Hall
- McLoughlin Promenade
- McMahan Homestead
- McMahan House
- McMahon House (Dubuque, Iowa)
- McMakin's Tavern
- McManus House (Davenport, Iowa)
- McMaster House
- McMaster School
- McMechen Lockmaster Houses on the Ohio River
- McMeekin Rock Shelter
- McMillan Hall
- McMillan House (Latta, South Carolina)
- McMillan Sand Filtration Site
- McMillin Bridge
- McMillin School
- McMinn Building
- McMinnville Downtown Historic District
- McMonies Barn
- McMorran and Washburne Department Store Building
- McMullin-Warren House
- McMurray–Frizzell–Aldridge Farm
- McNab Bank Building
- McNamee-Ford House
- McNee Barns
- McNeel Mill
- McNeely House
- McNeer House
- McNeil Homestead
- McNiven Farm Complex
- McNutt Rural Historic District
- McNutt School
- McNutt-Howard House
- McPhail Angus Farm
- McPhaul Suspension Bridge
- McPherson County Courthouse (Kansas)
- McPherson County Courthouse (South Dakota)
- McPherson Opera House
- McPherson Town Historic District
- McPherson's Purchase
- McPike Mansion
- McPolin Farmstead
- McRae House
- McRae Jail
- McRae-McQueen House
- McRaven House
- McReynolds House (Elkton, Kentucky)
- McVey School
- McVickar House
- McVitty Home
- McWain-Hall House
- McWhirter House
- McWhorter House
- Mead Camp
- Mead House (Galway, New York)
- Mead Johnson River-Rail-Truck Terminal and Warehouse
- Mead Memorial Chapel
- Meade County Jail
- Meadea
- Meades Ranch Triangulation Station
- Meadly House
- Meadow Bridge (Shelburne, New Hampshire)
- Meadow Brook Farm (Westminster, Maryland)
- Meadow Brook Hall
- Meadow Event Park
- Meadow Farm
- Meadow Garden (Augusta, Georgia)
- Meadow Grove Farm
- Meadow Lake Petroglyphs
- Meadow Marsh
- Meadow Nook
- Meadow River Lumber Building
- Meadow Spring Historic District
- Meadowbrook Country Club (Garner, North Carolina)
- Meadowbrook Stock Farm
- Meadowburn Farm
- Meadowcroft Rockshelter
- Meadowlands (Darien, Connecticut)
- Meadowmont, North Carolina
- Meadows Archeological District
- Meadows Farm Complex
- Meadows House
- Meadows Schoolhouse
- Meadvilla
- Meadville Downtown Historic District
- Meady White House
- Meaher–Zoghby House
- Means House (Jonesville, South Carolina)
- Means Street Historic District
- Means–Justiss House
- Mears Cottage
- Meatpacking District, Manhattan
- Mebane Commercial Historic District
- Mebane-Nuckolls House
- Mecca Covered Bridge
- Mechanic Institute
- Mechanic Street Cemetery
- Mechanic Street Historic District
- Mechanical Fabric Company
- Mechanics Block Historic District
- Mechanics Building
- Mechanics Engine House No. 4
- Mechanics Hall (Worcester, Massachusetts)
- Mechanics Mill
- Mechanics' Bank and Trust Company Building
- Mechanics' Hall (Portland, Maine)
- Mechanics' Hall District
- Mechanicsburg Baptist Church
- Mechanicsburg Commercial Historic District (Mechanicsburg, Pennsylvania)
- Mechanicsburg United Methodist Church
- Mechanicsville Historic District
- Mechanicsville Historic District (Grafton, Vermont)
- Mechanicsville School (Philadelphia)
- Mechanicsville Village Historic District
- Mechanicsville, Knoxville
- Mechanicville Hydroelectric Plant
- Mechlin's Corner Tavern
- Mechum River Farm
- Mecklenburg County Courthouse (North Carolina)
- Mecklenburg County Courthouse (Virginia)
- Mecklenburg Investment Company Building
- Mecklenburg's Garden
- Medad Stone Tavern
- Medbury's–Grove Lawn Subdivisions Historic District
- Medburyville Bridge
- Mederville Bridge
- Medfield State Hospital
- Medford Carnegie Library
- Medford Free Public Library
- Medford IOOF Cemetery
- Medford Pipe Bridge
- Medford Post Office
- Medford station (Oregon)
- Medgar Evers Historic District
- Medgar and Myrlie Evers Home National Monument
- Media Armory
- Media Farm
- Medical Arts Building (Atlanta)
- Medical Arts Building (Hot Springs, Arkansas)
- Medical Arts Building (Knoxville, Tennessee)
- Medical Arts Building (Newport News, Virginia)
- Medical Arts Building (Portland, Oregon)
- Medical Arts Building and Garage
- Medical Dental Building (Dallas)
- Medical Dental Building (Seattle)
- Medical Hall Historic District
- Medicine Bow Airport
- Medicine Bow station
- Medicine Creek Archeological District
- Medicine Lodge Peace Treaty Site
- Medicine Lodge State Archeological Site
- Medicine Rock State Historic Site
- Medicine Rocks State Park
- Medicine Wheel/Medicine Mountain National Historic Landmark
- Medico-Dental Building
- Medina Armory
- Medina City Hall
- Medina Dam
- Medina Masonic Temple and Medina Theater
- Medora Covered Bridge
- Medway (Mount Holly, South Carolina)
- Medway Village Historic District
- Meek Building
- Meek House
- Meek Mansion
- Meek's Flour Mill
- Meeker Historic District
- Meeker Hotel
- Meeker I.O.O.F. Lodge—Valentine Lodge No. 47
- Meeker Island Lock and Dam
- Meeker Memorial Museum
- Meeker Sugar Refinery
- Meeker's Hardware
- Meekerville Historic District
- Meekins Barn
- Meeks Avenue Historic District
- Meeks-Green Farmstead
- Meems Bottom Covered Bridge
- Meers, Oklahoma
- Meeteer House
- Meeting Hall (Beaver, Utah)
- Meeting House Farm
- Meeting House Hill Historic District
- Meeting House of the Friends Meeting of Washington
- Meeting House of the Second Parish in Woburn
- Meeting-of-the-Waters
- Meetinghouse Common District
- Meetinghouse Green Historic District
- Meetinghouse Green Road Cemetery
- Megunticook Golf Club
- Mehaffey House
- Meier & Frank Building
- Meier & Frank Delivery Depot
- Meier & Frank Warehouse
- Meier General Store
- Meierhoffer House
- Meierhoffer Sand Company Office Building
- Meigs County Courthouse (Tennessee)
- Meigs County Fairgrounds
- Meigs-Bishop House
- Meinert Ranch Cabin
- Meinig Glove Factory-E. Richard Meinig Co.
- Meisch House
- Meiser Drug Store
- Meisner Bank Building
- Melady House
- Melan Bridge
- Melbourne Beach Pier
- Melbourne Flats
- Melcher Covered Bridge
- Melchoir Brewery and Hotel Ruins
- Meldahl House
- Melford (Mitchellville, Maryland)
- Melinda E. Morgan House
- Melius-Bentley House
- Mellen City Hall
- Mellenville station
- Mellette House
- Melligan Store-Agriculture Hall
- Mellon Park
- Mellor Village and Mounds Archeological District
- Mellus Newspapers Building
- Meloan, Cummins & Co., General Store
- Melodeon Hall
- Meloy House
- Melrose (Casanova, Virginia)
- Melrose (Cheyney, Pennsylvania)
- Melrose (Fork Union, Virginia)
- Melrose (Murfreesboro, North Carolina)
- Melrose (Natchez, Mississippi)
- Melrose Apartments (Omaha, Nebraska)
- Melrose Building
- Melrose Caverns and Harrison Farmstead
- Melrose Heights–Oak Lawn–Fairview Historic District
- Melrose Historic District
- Melrose Historic District (Iowa City, Iowa)
- Melrose Plantation
- Melrose Public Library
- Melrose Road Bridge
- Melrose Woman's Club
- Melrose and Sinkola Plantations
- Melrose, Connecticut
- Melrose/Williamson House
- Melrose–Rugby Historic District
- Melson House
- Melton Hill Dam
- Melton-Davis House
- Melton–Fortune Farmstead
- Melville (Surry, Virginia)
- Melville F. McHaffie Farm
- Melvin A. Halsted House
- Melvin Chrisco House
- Melvin Price Federal Building and United States Courthouse
- Melvin School
- Melvin W. and Mary Perry House
- Melvyn Maxwell and Sara Stein Smith House
- Melwood Apartments
- Melwood Park
- Memorial Arch (Huntington, West Virginia)
- Memorial Arch of Tilton
- Memorial Auditorium (Louisville, Kentucky)
- Memorial Branch
- Memorial Building (Dyersville, Iowa)
- Memorial Building (Topeka, Kansas)
- Memorial Church of the Holy Cross
- Memorial Continental Hall
- Memorial Drive Apartments Historic District
- Memorial Fountain and Statue
- Memorial Gymnasium (University of Idaho)
- Memorial Gymnasium (Virginia)
- Memorial Hall (Foxborough, Massachusetts)
- Memorial Hall (Harvard University)
- Memorial Hall (Kansas City, Kansas)
- Memorial Hall (Milford, Massachusetts)
- Memorial Hall (Newark, Delaware)
- Memorial Hall (Oakland, Maine)
- Memorial Hall (Philadelphia)
- Memorial Hall (Racine, Wisconsin)
- Memorial Hall (Richmond, Illinois)
- Memorial Hall (Rockford, Illinois)
- Memorial Hall (Windsor Locks, Connecticut)
- Memorial Hall Library
- Memorial Hall, Coker University
- Memorial Home Community Historic District
- Memorial Park (Jacksonville)
- Memorial Park Cemetery (Memphis, Tennessee)
- Memorial Park Site
- Memorial Presbyterian Church (Wenonah, New Jersey)
- Memorial Reformed Church
- Memorial Square District
- Memorial Town Hall
- Memorial Union (Wisconsin)
- Memorial United Methodist Church
- Memorial Washington Reformed Presbyterian Church
- Memorial to the Women of the Confederacy
- Memory Lane (Denton, Maryland)
- Memphis & Arkansas Bridge
- Memphis National Cemetery
- Memphis Parkway System
- Memphis Street Academy
- Memphis Tennessee Garrison House
- Memphis Trust Building
- Memphis to Little Rock Road
- Men of Kent Cemetery
- Men's Hall
- Mena City Hall
- Mena Commercial Historic District
- Mena station (Arkansas)
- Menagerie Carousel
- Menand Park Historic District
- Menands Manor
- Menard-Galaz House
- Menard–Hodges site
- Menaul School
- Mendham Borough, New Jersey
- Mendocino Woodlands State Park
- Mendocino and Headlands Historic District
- Mendon Center Historic District
- Mendon Cobblestone Academy
- Mendon Presbyterian Church
- Mendota Bridge
- Mendota Mental Health Institute
- Mendota Road Bridge
- Mendota, Minnesota
- Mendota–Wabasha Military Road
- Menehune Fishpond
- Meng House
- Menge House Complex
- Menge-Hansen Marine Ways
- Menifee High School Gymnasium
- Menlo Avenue–West Twenty-ninth Street Historic District
- Menlo Park station
- Menno Community Hall
- Menno Yoder Polygonal Barn
- Mennonite Meetinghouse
- Mennonite Settler statue
- Mennoville Mennonite Church
- Menoken Indian Village Site
- Menokin
- Menominee County Courthouse
- Menominee Pier Light
- Menominee River Park Archeological District
- Menominee station
- Menomonie Downtown Historic District
- Menomonie station
- Menor's Ferry
- Mentelle Park
- Menter Farmstead
- Mentholatum
- Mentone Springs Hotel
- Mentor Court
- Mentor station
- Mentz Church
- Mentzer Building
- Menzo Wheeler House
- Mequon Town Hall and Fire Station Complex
- Mer Rouge High School
- Meramec State Park
- Mercado de las Carnes
- Mercantile (schooner)
- Mercantile Bank Building (Jonesboro, Arkansas)
- Mercantile Deposit and Trust (Baltimore, Maryland)
- Mercantile Library of Cincinnati
- Mercantile Trust and Deposit Company
- Merced County Courthouse
- Merced County High School
- Merced Grove Ranger Station
- Merced Theatre (Merced, California)
- Mercelia Evelyn Eldridge Kelley House
- Mercer Brown House
- Mercer County Courthouse (Illinois)
- Mercer County Courthouse (Pennsylvania)
- Mercer County Courthouse (West Virginia)
- Mercer County Fairgrounds
- Mercer County Jail
- Mercer Hall
- Mercer House (Natchez, Mississippi)
- Mercer Log House
- Mercer Museum
- Mercer Street Friends Center
- Mercer Street Historic District
- Mercer Union Meetinghouse
- Mercer University
- Mercer's Mill Covered Bridge
- Mercersburg Academy
- Mercersburg Historic District
- Merchant Street Historic District
- Merchant Tower
- Merchant's Hope
- Merchant's House Museum
- Merchants & Farmers Bank
- Merchants Avenue Historic District
- Merchants Bank Building (Providence, Rhode Island)
- Merchants Building
- Merchants National Bank (Saint Paul)
- Merchants National Bank (Winona, Minnesota)
- Merchants National Bank Building
- Merchants Square
- Merchants and Farmers Bank Building
- Merchants and Farmers National Bank Building
- Merchants and Manufacturers Building
- Merchants and Planters Bank (Clarendon, Arkansas)
- Merchants and Planters Bank (Lockport, Louisiana)
- Merchants and Planters Bank Building
- Merchants' Exchange Building (Philadelphia)
- Merchants' National Bank
- Merchants' and Drovers' Tavern
- Mercy Chapel at Mill Run
- Mercy Hospital (Nampa, Idaho)
- Mercy Hospital and Elizabeth McDowell Bialy Memorial House
- Meredith Public Library
- Merestead
- Merestone
- Meriden Avenue–Oakland Road Historic District
- Meriden Bridge
- Meriden Curtain Fixture Company Factory
- Meriden Town Hall
- Meridian (shipwreck)
- Meridian City Hall
- Meridian Exchange Bank
- Meridian Hall (Washington, D.C.)
- Meridian High School (Mississippi)
- Meridian Highway
- Meridian Highway Bridge
- Meridian Hill Park
- Meridian House
- Meridian Manor
- Meridian Mansions
- Meridian Museum of Art
- Meridian Regional Airport
- Meridian Road
- Meridian–Forest Historic District
- Merion Cricket Club
- Merion Friends Meeting House
- Merion Golf Club
- Merit Underwear Company
- Merit–Tandy Farmstead
- Meriwether County Courthouse
- Meriwether Lewis and William Clark (sculpture)
- Merizo Bell Tower
- Merizo Conbento
- Merkel Mill
- Merkel Mill Complex
- Merle Whitman Tourist Cabin
- Merlyn G. Cook School
- Mermaid House Hotel
- Mermaid Tavern (Newark, Delaware)
- Mero Mound Group (Diamond Bluff Site)
- Merrehope
- Merrell Tavern
- Merrero Building
- Merrick Art Gallery
- Merrick-Simmons House
- Merriconegan Farm
- Merridun
- Merrifield House
- Merrill Avenue Historic District (Glendive, Montana)
- Merrill City Hall
- Merrill Double House
- Merrill Estate
- Merrill Hall
- Merrill House (Rogers, Arkansas)
- Merrill Lock No. 6
- Merrill MaGee House
- Merrill Springs Mound Group II
- Merrill's Wharf Historic District
- Merrill-Maley House
- Merrill-Poor House
- Merrillsville Cure Cottage
- Merrimac Ferry
- Merrimack Associates Building
- Merrimack County Bank
- Merrimack County Courthouse
- Merrimack Mill Village Historic District
- Merrimon-Wynne House
- Merritt Beach & Son Building
- Merritt Black House
- Merritt Fry Farm
- Merritt H. Booker House
- Merritt House (Greenbrier, Arkansas)
- Merritt Parkway
- Merritt School
- Merritt Violette House
- Merritt Woods Historic District
- Merritt-Ragan House
- Merritt-Winstead House
- Merrium Apartments
- Merry Sherwood
- Merryall Union Evangelical Society Chapel
- Merrybrook
- Merrylees-Post House
- Merton S. Goodnow House
- Merwinsville Hotel
- Mesa Grande
- Mesa Historical Museum
- Mesa House
- Mesa Schoolhouse
- Mesa Verde Administrative District
- Mesa Verde National Park
- Mesaba Co-op Park
- Meshingomesia Cemetery and Indian School Historic District
- Mesick House
- Mesilla Park Elementary School
- Mesilla Park Historic District
- Mesilla Plaza
- Mesquite High School Gymnasium
- Messenger of Peace Chapel Car
- Mesta Park
- Metairie Cemetery
- Metal Shop (Urbana, Illinois)
- Metaline Falls–Nelway Border Crossing
- Metamora Courthouse State Historic Site
- Metamora Crossroads Historic District
- Metamora Historic District
- Metcalfe County Jail
- Metcalfe County Kentucky Courthouse
- Metcalfe Historic District
- Metcalf–Franklin Farm
- Meteer Store House
- Meteu 'L Klechem
- Methodist Church (Sandy Creek, New York)
- Methodist Church Cemetery
- Methodist Church Concord
- Methodist Church of Alberton
- Methodist Church of Marshall
- Methodist Deaconess Institute—Esther Hall
- Methodist Episcopal Church (Bozeman, Montana)
- Methodist Episcopal Church (Crestline, Ohio)
- Methodist Episcopal Church (Devils Lake, North Dakota)
- Methodist Episcopal Church (Dryden, New York)
- Methodist Episcopal Church (Emmett, Idaho)
- Methodist Episcopal Church (Greenwich, Connecticut)
- Methodist Episcopal Church (Hibernia, New Jersey)
- Methodist Episcopal Church (Idaho Springs, Colorado)
- Methodist Episcopal Church (Lancaster, Kentucky)
- Methodist Episcopal Church (Madison, New Jersey)
- Methodist Episcopal Church (Orleans, New York)
- Methodist Episcopal Church (Ottawa, Minnesota)
- Methodist Episcopal Church (Pierre, South Dakota)
- Methodist Episcopal Church (Salem, Illinois)
- Methodist Episcopal Church (Scotland, South Dakota)
- Methodist Episcopal Church (Stannard, Vermont)
- Methodist Episcopal Church (Stony Creek, New York)
- Methodist Episcopal Church (Yuma, Arizona)
- Methodist Episcopal Church Parsonage
- Methodist Episcopal Church South (Albany, Oregon)
- Methodist Episcopal Church South (Corvallis, Montana)
- Methodist Episcopal Church South (Greenup, Kentucky)
- Methodist Episcopal Church South (Roseburg, Oregon)
- Methodist Episcopal Church of Burlington
- Methodist Episcopal Church of Butler
- Methodist Episcopal Church of Goshen
- Methodist Episcopal Church of Isle La Motte
- Methodist Episcopal Church of Montrose
- Methodist Episcopal Church of Painesville
- Methodist Episcopal Church of Pescadero
- Methodist Episcopal Church of Port Hadlock
- Methodist Episcopal Church of Wessington Springs
- Methodist Episcopal Church of West Martinsburg
- Methodist Episcopal Church of Windham Centre
- Methodist Episcopal Church of Winooski
- Methodist Episcopal Church, South (Bald Knob, Arkansas)
- Methodist Episcopal Church, South (Daphne, Alabama)
- Methodist Episcopal Church, South (Dardanelle, Arkansas)
- Methodist Episcopal Church, South (Lawton, Oklahoma)
- Methodist Episcopal Church, South (Paris, Arkansas)
- Methodist Episcopal Parsonage
- Methodist Episcopal Society of Tyringham
- Methodist Manse
- Methodist Tabernacle (Mathews, Virginia)
- Methodist-Episcopal Church of Marysville
- Methodist-Episcopal Church of Norwich
- Methodist-Protestant Church at Fisher's Landing
- Methuen Memorial Music Hall
- Methuen Water Works
- Metlar–Bodine House
- Metolius station
- Metro South Historic District
- Metro Tower (Lubbock)
- Metropolitan African Methodist Episcopal Church
- Metropolitan African Methodist Episcopal Zion Church
- Metropolitan Baptist Church (New York City)
- Metropolitan Block (Lima, Ohio)
- Metropolitan Center for High Technology
- Metropolitan Club (Washington, D.C.)
- Metropolitan District Commission Pumping House
- Metropolitan District Commission Stable
- Metropolitan Edison Building
- Metropolitan Life Insurance Company Hall of Records
- Metropolitan Life Insurance Company Tower
- Metropolitan Missionary Baptist Church
- Metropolitan Museum of Art
- Metropolitan Opera House (Grand Forks, North Dakota)
- Metropolitan Opera House (Iowa Falls, Iowa)
- Metropolitan Opera House (Philadelphia)
- Metropolitan Park Bathhouse and Pool Historic District
- Metropolitan Savings Bank Building
- Metropolitan State Hospital (Massachusetts)
- Metropolitan Theatre (Morgantown, West Virginia)
- Metropolitan Tower (Youngstown)
- Metropolitan United Methodist Church
- Mettam Memorial Baptist Church
- Metter Downtown Historic District
- Metter High School
- Metuchen Borough Hall
- Metz Ice Plant
- Metz Manufacturing Company
- Metzger House
- Meusebach Creek School (Gillespie County, Texas)
- Meux Home
- Mexican Canyon Trestle
- Mexican Consulate (Yuma, Arizona)
- Mexican War Streets
- Mexico High School (New York)
- Mexico Octagon Barn
- Mexico Village Historic District
- Mexico station
- Meyer Fryman House
- Meyer House (Florissant, Missouri)
- Meyer Site
- Meyer Theatre
- Meyer's Castle
- Meyerhofer Cobblestone House
- Meyers Farmstead Historic District
- Meyers House (Hillsboro, New Mexico)
- Meyer–Kiser Building
- Miah Maull Shoal Light
- Miakka School House
- Mialoquo (Cherokee town)
- Miami Beach Architectural District
- Miami Biltmore Hotel
- Miami Building
- Miami Circle
- Miami City Cemetery
- Miami City Hall
- Miami City Hospital, Building No. 1
- Miami Community Church
- Miami County Courthouse (Indiana)
- Miami County Courthouse (Kansas)
- Miami County Courthouse (Ohio)
- Miami Edison Middle School
- Miami Marathon Oil Company Service Station
- Miami Marine Stadium
- Miami Senior High School
- Miami Valley Golf Club
- Miami Women's Club
- Miami and Erie Canal Deep Cut
- Miami-Dade County Courthouse
- Miami–Erie Canal Site Historic District
- Miantonomi Memorial Park
- Mianus River Railroad Bridge
- Mica Insulator Company
- Micah Newby House
- Micah Williams House
- Micajah Martin Farm
- Micajah T. Singleton House
- Micanopy Historic District
- Micca House
- Miccosukee Methodist Church
- Michael Billmeyer House
- Michael Braun House
- Michael Cresap House
- Michael D. Helfrich House
- Michael Dohner Farmhouse
- Michael Foley Cottage
- Michael J. Kirwan Educational Television Center
- Michael Jacobs House
- Michael Kinzer House
- Michael Klunk Farmstead
- Michael M. Hiegel House
- Michael Majerus House
- Michael Reade House
- Michael Remp House
- Michael Salyer Stone House
- Michael Schaeffer House
- Michael Sherwood House
- Michael Smith House
- Michael Sweetser House
- Michael Wallace House
- Michael and Magdealena Bixler Farmstead
- Michael and Margaret Heller House
- Michael and Margaritha Beck Farmstead
- Michaelis Ranch
- Michaels Farm
- Michaels–Stern Building
- Michel B. Menard House
- Michigan Avenue Historic Commercial District
- Michigan Avenue-Genesee Street Historic Residential District
- Michigan Bell Building
- Michigan Bell and Western Electric Warehouse
- Michigan Central Railroad Mason Depot
- Michigan Central Railroad Middleville Depot
- Michigan Central Station
- Michigan City East Light
- Michigan Condensed Milk Factory
- Michigan Governor's Summer Residence
- Michigan Military Academy
- Michigan Millers Mutual Fire Insurance Company Building
- Michigan Paper Company Mill Historic District
- Michigan Road Toll House
- Michigan School for the Blind
- Michigan School for the Deaf Superintendent's Cottage
- Michigan Soldiers' and Sailors' Monument
- Michigan State Capitol
- Michigan State Fair Riding Coliseum, Dairy Cattle Building, and Agricultural Building
- Michigan State Medical Society Building
- Michigan State Prison
- Michigan Street Baptist Church
- Michigan Theater (Ann Arbor, Michigan)
- Michigan Theatre (Jackson, Michigan)
- Michigan Trust Company Building
- Michigan-Lee Apartments
- Michigan–Wacker Historic District
- Mickens House
- Mickey's Diner
- Mid-City New Orleans
- Mid-Continent Life Building
- Mid-Continent Tower
- Mid-South Coliseum
- Mid-Town Historic District (Elizabeth, New Jersey)
- Mid-Town Historic District (Springfield, Missouri)
- Midas Schoolhouse
- Middaugh-Stone House and Dutch Barn
- Middishade Clothing Factory
- Middle Avenue Historic District
- Middle Bay Brick Kiln
- Middle Bay Light
- Middle Cemetery
- Middle Farmhouse
- Middle Fork of the Little Red River Bridge
- Middle Haddam Historic District
- Middle Haddam School
- Middle Intervale Meeting House and Common
- Middle Island Light
- Middle Island Presbyterian Church
- Middle Mill Historic District
- Middle Mountain Cabins
- Middle Pickering Rural Historic District
- Middle Reaches of Boone Creek Rural Historic District
- Middle Sandy Presbyterian Church
- Middle Valley, New Jersey
- Middle West Hotel
- Middleborough Center Historic District
- Middleborough Waterworks
- Middlebourne Historic District
- Middlebrook (Knoxville, Tennessee)
- Middlebrook Historic District
- Middlebrook Schools
- Middlebrook encampment
- Middleburg Historic District (Middleburg, Florida)
- Middleburg Historic District (Middleburg, Virginia)
- Middleburg Plantation
- Middleburg United Methodist Church
- Middlebury (CDP), Vermont
- Middlebury Academy (Wyoming, New York)
- Middlebury Center Historic District
- Middlebury Gorge Concrete Arch Bridge
- Middlebush Village Historic District
- Middlefield Center Historic District
- Middlefield District No. 1 School
- Middlefield Hamlet Historic District
- Middlefield–Becket Stone Arch Railroad Bridge District
- Middlefork Methodist Episcopal Church
- Middleham Chapel
- Middleport Public Library
- Middlesboro Downtown Commercial District
- Middlesex Avenue–Woodwild Park Historic District
- Middlesex Canal
- Middlesex Center Methodist Church
- Middlesex County Courthouse (Saluda, Virginia)
- Middlesex County Courthouse (Urbanna, Virginia)
- Middlesex Fells Reservation Parkways
- Middlesex Fells Reservoirs Historic District
- Middlesex Plat Historic District
- Middlesex–Winooski River Bridge
- Middleton House
- Middleton Place
- Middleton Substation
- Middleton station
- Middleton's Plantation
- Middletown Academy
- Middletown Alms House
- Middletown Bridge
- Middletown Commercial Historic District
- Middletown Historic District (Alton, Illinois)
- Middletown Historic District (Middletown, Delaware)
- Middletown Historic District (Middletown, Maryland)
- Middletown Historic District (Middletown, Virginia)
- Middletown Rural Historic District
- Middletown South Green Historic District
- Middletown Springs Historic District
- Middletown United Methodist Church
- Middletown Upper Houses Historic District
- Middletown Village, New Jersey
- Middletown Woodrow Wilson High School
- Middletown station (New York, Ontario and Western Railway)
- Middleway Historic District
- Midfield Plantation
- Midgaard (Marquette, Michigan)
- Midland Continental Overpass
- Midland County Courthouse
- Midland Depot
- Midland Hotel (Wilson, Kansas)
- Midland School, Paramus, New Jersey
- Midland Street Commercial District
- Midland Terminal Railroad Roundhouse
- Midland Theatre
- Midland station (South Dakota)
- Midlands (Louisville, Kentucky)
- Midtown Corinth Historic District
- Midtown Exchange
- Midtown Greenway
- Midtown Historic District (Atlanta)
- Midtown Historic District (Mobile, Alabama)
- Midtown Historic District (St. Louis)
- Midtown Motor Lodge
- Midtown Neighborhood Historic District
- Midtown Woodward Historic District
- Midway (Millington, Virginia)
- Midway Bridge (Johnstown, North Dakota)
- Midway Historic District (Midway, Georgia)
- Midway Historic District (Midway, Kentucky)
- Midway House (Aspen Park, Colorado)
- Midway Plaisance
- Midway Plantation (Fort Motte, South Carolina)
- Midway Plantation House and Outbuildings
- Midway Presbyterian Church and Cemetery
- Midway Service Station
- Midway Stage Station
- Midway State Park
- Midway Station Site
- Midway Subdivision Historic District
- Midwest Athletic Club
- Midwest Hotel
- Midwest Oil Company Hotel
- Midwest Steel & Iron Works
- Midwest Theater
- Mier Wolf House
- Mifflin County Courthouse
- Mifflin Elementary School
- Mifflin School
- Mifflin-Marim Agricultural Complex
- Mifflinburg Historic District
- Migeon Avenue Historic District
- Miguel Angel García Méndez Post Office Building
- Miguel E. Baca House
- Miguel Valdez Barn
- Mihran Mesrobian House
- Mike Alex Cabin
- Mike Mansfield Federal Building and United States Courthouse
- Mike Meyer Disfarmer Gravesite
- Mike Roess Gold Head Branch State Park
- Mike and Mary Matson Farmstead
- Mikulich General Store
- Mikveh Israel Cemetery
- Milaca Municipal Hall
- Milam Building
- Milam County Courthouse and Jail
- Milam Park
- Milam Residence
- Milan Masonic Lodge No. 31
- Milan and Margaret Packard House
- Milan station
- Milano Hotel
- Milanville Historic District
- Milbank, Brinckerhoff, and Fiske Halls
- Mildred and Abel Fagen House
- Mile Canyon
- Miles Alexander Sherrill House
- Miles B. Carpenter House
- Miles Brewton House
- Miles City Main Post Office
- Miles City Steam Laundry
- Miles City Waterworks Building and Pumping Plant Park
- Miles City station
- Miles College
- Miles Glacier Bridge
- Miles Goodyear Cabin
- Miles House
- Miles Jeffery Barn
- Miles Pratt House
- Miles Ranch
- Miles Raplee House
- Miles and Elizabeth Smith Kellogg House
- Miles-Hanna House
- Miles-Humes House
- Milestone (Arlington, Massachusetts)
- Milford (Camden, North Carolina)
- Milford Battlefield
- Milford Congregational Church
- Milford Cotton and Woolen Manufacturing Company
- Milford Mine
- Milford Point Hotel
- Milford Rural Agricultural School
- Milford Shipyard Area Historic District
- Milford Suspension Bridge
- Milford Town Hall
- Milford Town House and Library Annex
- Milford station (Delaware)
- Milford, Pennsylvania
- Milimar
- Military Avenue (Omaha)
- Military Park (Indianapolis)
- Military Park (Newark)
- Military Road Historic District
- Military Road School
- Military Road-Cadron Segment
- Militia Headquarters Building
- Milk Bottle Grocery
- Milk Pail Restaurant
- Milk Row Cemetery
- Milky Way Farm
- Mill & Dunn Historic District
- Mill Agent's House
- Mill Avenue Historic District
- Mill Avenue bridges
- Mill Brook Bridge
- Mill City Museum
- Mill Cove Historic District
- Mill Cove School
- Mill Covered Bridge (Belvidere, Vermont)
- Mill Covered Bridge (Tunbridge, Vermont)
- Mill Creek Bridge (Cherokee, Iowa)
- Mill Creek Bridge (Clarence, Iowa)
- Mill Creek Covered Bridge
- Mill Creek Friends Meetinghouse
- Mill Creek Historic District (Bryn Mawr and Gladwyne, Pennsylvania)
- Mill Creek Historic District (Bunker Hill, West Virginia)
- Mill Creek Park Suspension Bridge
- Mill Creek Plantation
- Mill Creek Zanja
- Mill Farm Inn
- Mill Green Historic District
- Mill Grove
- Mill Hill (Concord, North Carolina)
- Mill Hill, Trenton, New Jersey
- Mill House (Middleburg, Virginia)
- Mill House (Milford, Delaware)
- Mill Island (Moorefield, West Virginia)
- Mill Office and Post Office
- Mill Pond (Grandin, Missouri)
- Mill Prong
- Mill Race Bridge
- Mill Rift Hall
- Mill River Historic District
- Mill Rock School
- Mill Springs Battlefield National Monument
- Mill Springs Mill
- Mill Springs National Cemetery
- Mill Street Stone Arch Bridge
- Mill Street–North Clover Street Historic District
- Mill Street–South Branch Raisin River Bridge
- Mill Tract Farm
- Mill Village Historic District (Waterbury, Vermont)
- Mill Village Historic District (Williamstown, Massachusetts)
- Mill Way Historic District
- Mill at Freedom Falls
- Mill at Lobachsville
- Millage Farm Rural Historic District
- Millar-Wheeler House
- Millard House
- Millard–McCarty House
- Millard–Souther–Green House
- Millbank (Port Conway, Virginia)
- Millbank (Winchester, Virginia)
- Millboro School
- Millbrae station
- Millbrook (Crewe, Virginia)
- Millburn, Illinois
- Millbury Street Head Start
- Milldam Rice Mill and Rice Barn
- Milldean and Alexander-Davis House
- Mille Lacs County Courthouse
- Mille Lacs Kathio State Park
- Milledgeville Historic District
- Millen High School
- Millen House
- Millen-Chase-McCalla House
- Millennium Manor
- Millen–Schmidt House
- Miller Block (Spokane, Washington)
- Miller Bridge (Winterset, Iowa)
- Miller Brothers 101 Ranch
- Miller Brothers Cotton Warehouse
- Miller Brothers Farm
- Miller Building (Davenport, Iowa)
- Miller Building (Liberty, Missouri)
- Miller Cabin
- Miller Cemetery Church
- Miller County Courthouse (Arkansas)
- Miller Creek Bridge
- Miller Farmstead (La Crosse, Kansas)
- Miller Farmstead (Penwell, New Jersey)
- Miller Field (Staten Island)
- Miller Hall (Chadron, Nebraska)
- Miller Hall (Waynesburg University)
- Miller Homestead (Au Sable, New York)
- Miller Homestead (Lansing, North Carolina)
- Miller Homestead (Pea Ridge, Arkansas)
- Miller Hotel
- Miller House (Columbus, Indiana)
- Miller House (Cooksville, Wisconsin)
- Miller House (Elba, Tennessee)
- Miller House (Lafayette, Colorado)
- Miller House (Little Rock, Arkansas)
- Miller House (Madison, Wisconsin)
- Miller Place Historic District
- Miller Plantation House
- Miller Red Barn
- Miller Ree Creek Bridge
- Miller Richard and Mary Fisher Tidrick House
- Miller Round Barn
- Miller Tavern and Farm
- Miller Town Hall
- Miller and Herriott House
- Miller's House
- Miller's House at Red Mills
- Miller's House at Spring Mill
- Miller's Store
- Miller's Tavern
- Miller-Cory House
- Miller-Kingsland House
- Miller-Mackey House
- Miller-Martin Town House
- Miller-Porter-Lacy House
- Miller-Walker House
- Millers Falls, Massachusetts
- Millers Tavern Rural Historic District
- Millersburg Christian Church
- Millersburg Ferry
- Millersburg station
- Millersylvania State Park
- Miller–Brewer House
- Miller–Cansler House
- Miller–Claytor House
- Miller–Davis Law Buildings
- Miller–Horton–Barben Farm
- Miller–Kite House
- Miller–Leuser Log House
- Miller–O'Donnell House
- Miller–Pence Farm
- Miller–Rowe–Holgate House
- Miller–Seabaugh House and Dr. Seabaugh Office Building
- Miller–Southside Residential Historic District
- Millett Opera House
- Millford Plantation
- Millheim Historic District
- Millhiser-Baker Farm
- Millicent Library
- Milligan Block
- Milligan Shuford Wise and Theron Colbert Dellinger Houses
- Milliken Building
- Milliken Memorial Community House
- Milliken-Smith Farm
- Millington Bank Building
- Millington station
- Millington, Connecticut
- Million Dollar Theater
- Millionaire's Row Historic District
- Millis Center Historic District
- Millmont Farm
- Millmont Red Bridge
- Millpond Plantation
- Millrace Site, RI-1039
- Mills Building and Tower
- Mills Cemetery
- Mills College at Northeastern University
- Mills Community House
- Mills County Courthouse (Texas)
- Mills House (Fort Mill, South Carolina)
- Mills House (Griffin, Georgia)
- Mills House (Kensett, Arkansas)
- Mills House (Pine Bluff, Arkansas)
- Mills House (Rome, New York)
- Mills House (Sitka, Alaska)
- Mills House (Springer, New Mexico)
- Mills House and Smokehouse
- Mills Mill
- Mills Pond District (St. James, New York)
- Mills River Chapel
- Mills Tower Historic District
- Mills Woods Mound
- Mills' Row
- Mills-Hale-Owen Blocks
- Mills-Screven Plantation
- Mills-Stebbins Villa
- Millsaps-Buie House
- Millstone Bluff
- Millstone Historic District
- Millstone Valley Agricultural District
- Milltown Bridge (Milltown, Arkansas)
- Milltown Hutterite Colony
- Milltown India Rubber Company
- Millville Cemetery
- Millville School
- Millville's First Bank Building
- Millville, Illinois
- Millville, Sussex County, New Jersey
- Millwood (Greensboro, Alabama)
- Millwood (Richland County, South Carolina)
- Millwood Colored School
- Millwood Commercial Historic District
- Millwood Historic District
- Mill–Pine Neighborhood Historic District
- Mill–Prospect Street Historic District
- Milmoral
- Milne-Bush Ranch
- Milner Arms Apartments
- Milner Dam
- Milner Pass Road Camp Mess Hall and House
- Milo Academy Bridge
- Milo Prentice Newberry House
- Milo Public Library
- Milpitas Grammar School
- Milroy State Bank Building
- Milt Gooden House
- Miltimore House
- Milton (Bethesda, Maryland)
- Milton Armory
- Milton Cemetery
- Milton Center Historic District
- Milton Centre Historic District
- Milton Freight Station
- Milton Godard House
- Milton Hill Historic District
- Milton Historic District (Milton, Delaware)
- Milton Historic District (Milton, Florida)
- Milton Historic District (Milton, North Carolina)
- Milton Historic District (Milton, Pennsylvania)
- Milton House (Milton, Wisconsin)
- Milton Masonic Lodge and County General Store
- Milton Odem House
- Milton S. Hershey Mansion
- Milton Small House
- Milton State Bank
- Milton Town House
- Milton W. Smith House
- Milton Wilson House
- Milton station (Florida)
- Milton station (New York)
- Milton-Bradley Company (building)
- Milton-Myers American Legion Post No. 65
- Milwaukee Athletic Club
- Milwaukee Avenue Historic District
- Milwaukee Breakwater Light
- Milwaukee City Hall
- Milwaukee County Courthouse
- Milwaukee County Dispensary and Emergency Hospital
- Milwaukee County School of Agriculture and Domestic Economy Historic District
- Milwaukee Falls Lime Company
- Milwaukee Fire Department High Pressure Pumping Station
- Milwaukee Girls' Trade and Technical High School
- Milwaukee Hospital
- Milwaukee Pierhead Light
- Milwaukee Railroad Shops Historic District
- Milwaukee Road Bunkhouse
- Milwaukee Road Freight House
- Milwaukee Road Historic District
- Milwaukee-Downer "Quad"
- Mimbres School
- Mimosa Hall (Leigh, Texas)
- Mims-Breedlove-Priest-Weatherton House
- Minaret Manor
- Minatree Catron House
- Minburn station
- Mincks-Adams Hotel
- Minden Butter Manufacturing Company
- Minden Elementary School
- Minden Flour Milling Company
- Minden Inn
- Minden United States Post Office
- Minden Wool Warehouse
- Mindoro Cut
- Mindrup House-Store
- Mine Creek Battlefield State Historic Site
- Mine Creek Bridge
- Mine Hills Preserve
- Mine No. 5 Store
- Mineola Downtown Historic District
- Mineola Hotel
- Miner Memorial Library
- Miner's Delight, Wyoming
- Mineral Bluff Depot
- Mineral County Courthouse (Nevada)
- Mineral County Courthouse (West Virginia)
- Mineral Hall
- Mineral Historic District
- Mineral King
- Mineral Point Hill
- Mineral Point, Wisconsin
- Mineral Springs Community Building
- Mineral Springs Waterworks
- Mineral Springs station (Arkansas)
- Mineral Well Park
- Miners Institute Building
- Miners Union Hall
- Minersville Coke Ovens
- Minersville Historic District
- Minertown-Oneva
- Minerva Creek Bridge
- Minerva and Daniel DeLand House
- Mines of Spain State Recreation Area and E. B. Lyons Nature Center
- Mingo Creek Presbyterian Church and Churchyard
- Mingus Lookout Complex
- Mini-Wakan State Park
- Minidoka Dam
- Minidoka National Historic Site
- Minim Island Shell Midden (38GE46)
- Minisink Archaeological Site
- Ministerial Rd. Site, RI-781
- Minne Lusa
- Minneapolis Archeological site
- Minneapolis Armory
- Minneapolis City Hall
- Minneapolis Fire Department Repair Shop
- Minneapolis Grain Exchange
- Minneapolis Pioneers and Soldiers Memorial Cemetery
- Minneapolis Public Library, North Branch
- Minneapolis Saint Paul Rochester & Dubuque Electric Traction Company Depot
- Minneapolis Scottish Rite Temple
- Minneapolis Shoal Light Station
- Minneapolis YMCA Central Building
- Minneapolis station (Milwaukee Road)
- Minnehaha (steamboat)
- Minnehaha Grange Hall
- Minnehaha Park (Minneapolis)
- Minneola Manufacturing Company Cloth Warehouse
- Minneopa State Park
- Minnequa Steel Works Office Building and Dispensary, Colorado Fuel and Iron Company
- Minnesela Bridge
- Minnesota Boat Club Boathouse on Raspberry Island
- Minnesota Building
- Minnesota Correctional Facility – Red Wing
- Minnesota Correctional Facility – St. Cloud
- Minnesota Correctional Facility – Stillwater
- Minnesota Governor's Residence
- Minnesota Home School for Girls
- Minnesota Judicial Center
- Minnesota Monument
- Minnesota Point Light
- Minnesota State Academy for the Deaf
- Minnesota State Capitol
- Minnesota State Public School for Dependent and Neglected Children
- Minnesota Veterans Home
- Minnesota and International Railway Trestle at Blackduck
- Minnetrista Boulevard Historic District
- Minnie Hill Palmer House
- Minnie Priest Dunton House
- Minnie Stewart House
- Minnie V (skipjack)
- Minnie Y. and Frank P. Mattes House
- Minong Mine Historic District
- Minong Traditional Cultural Property
- Minor Chapel AME Church
- Minor Sod House
- Minortown Road Bridge
- Minoru and Teruko (Hirashiki) Yamasaki House
- Minot Carnegie Library
- Minot Commercial Historic District
- Minot Industrial Historic District
- Minot station (Soo Line)
- Minot's Ledge Light
- Minot–Sleeper Library
- Minster Elementary School
- Minterburn Mill
- Minthorn Hall
- Minto School
- Minton's Playhouse
- Minton–Capehart Federal Building
- Mintzer House
- Minute Man National Historical Park
- Minuteman Missile National Historic Site
- Miracle Mile Historic District
- Mirador (Greenwood, Virginia)
- Miraflores Park
- Miramar Drive Residential Historic District
- Miramont Castle
- Mirror Lake Historic District
- Mirror Lake Library
- Mish House
- Mishawaka Reservoir Caretaker's Residence
- Mishler Theatre
- Mispillion Light
- Miss Albany Diner
- Miss Bellows Falls Diner
- Miss Florence Diner
- Miss Orton's Classical School for Girls
- Miss Worcester Diner
- Mission Brewery Plaza
- Mission Chapel
- Mission Church (Arctic Village, Alaska)
- Mission Church (Michigan)
- Mission Citrus Growers Union Packing Shed
- Mission Concepcion
- Mission Court
- Mission Cultural Center for Latino Arts
- Mission Dolores State Historic Site
- Mission Hill, Boston
- Mission House (Mackinac Island)
- Mission House (Stockbridge, Massachusetts)
- Mission Los Santos Ángeles de Guevavi
- Mission Nombre de Dios
- Mission Nuestra Señora de la Soledad
- Mission Nuestra Señora del Espíritu Santo de Zúñiga
- Mission Nuestra Señora del Rosario
- Mission San Antonio de Padua
- Mission San Buenaventura
- Mission San Carlos Borromeo de Carmelo
- Mission San Cayetano de Calabazas
- Mission San Diego de Alcalá
- Mission San Francisco de Asís
- Mission San Francisco de Potano
- Mission San Francisco de la Espada
- Mission San Gabriel Arcángel
- Mission San José (California)
- Mission San José (Texas)
- Mission San Juan Capistrano
- Mission San Juan Capistrano (Texas)
- Mission San Luis Rey de Francia
- Mission San Luis de Apalache
- Mission San Miguel Arcángel
- Mission San Xavier del Bac
- Mission Santa Barbara
- Mission Santa Cruz
- Mission Santa Inés
- Mission Theater and Pub
- Missisquoi River Bridge
- Mississippi County Courthouse (Blytheville, Arkansas)
- Mississippi County Courthouse (Osceola, Arkansas)
- Mississippi Federation of Women's Clubs
- Mississippi Governor's Mansion
- Mississippi Industrial College
- Mississippi Lofts and Adler Theatre
- Mississippi Mills Packing and Shipping Rooms
- Mississippi State Capitol
- Mississippi Valley Trust Company Building
- Missoula County Courthouse
- Missoula Downtown Historic District
- Missoula station (Northern Pacific Railway)
- Missouri Athletic Club Building
- Missouri Botanical Garden
- Missouri City Savings Bank Building and Meeting Hall
- Missouri District Warehouse
- Missouri Governor's Mansion
- Missouri Headwaters State Park
- Missouri Heights School
- Missouri Lumber and Mining Company
- Missouri Pacific Railway Caboose No. 928
- Missouri Pacific Railway Van Noy Eating House
- Missouri State Capitol
- Missouri State Capitol Historic District
- Missouri State Fair
- Missouri State Penitentiary Warden's House
- Missouri State Teachers Association Building
- Missouri Theater (St. Joseph, Missouri)
- Missouri Theatre (Columbia, Missouri)
- Missouri United Methodist Church
- Missouri Valley Trust Company Historic District
- Missouri, Iowa & Nebraska Railway Co. Depot-Weldon
- Missouri/Sedalia Trust Company
- Mistletoe (Natchez, Mississippi)
- Mistletoe Villa
- Misty Vale
- Mitchel Air Force Base
- Mitchell Archaeological Site (Mitchell, Illinois)
- Mitchell Bay Shelter Cabin
- Mitchell Building
- Mitchell Building-First State Bank Building
- Mitchell College Historic District
- Mitchell County Courthouse (Iowa)
- Mitchell County Courthouse (Kansas)
- Mitchell County Courthouse (North Carolina)
- Mitchell Downtown Historic District
- Mitchell Hotel
- Mitchell House (Batesville, Arkansas)
- Mitchell House (Elkton, Maryland)
- Mitchell House (Fair Hill, Maryland)
- Mitchell House (Gentry, Arkansas)
- Mitchell House (Lebanon, Tennessee)
- Mitchell House (Thomasville, North Carolina)
- Mitchell House (Waltreak, Arkansas)
- Mitchell House (Yarmouth, Maine)
- Mitchell J. Green Plantation
- Mitchell Jackson Farmhouse
- Mitchell Lewis Building
- Mitchell Opera House
- Mitchell Petroglyph Archeological Site
- Mitchell Powerhouse and Dam
- Mitchell Recreation Area
- Mitchell Site
- Mitchell West Central Residential Historic District
- Mitchell – Foster – Young House
- Mitchell's Brick House Tavern
- Mitchell's Ford Entrenchments
- Mitchell-Estes Farmstead
- Mitchell-Maskrey Mill
- Mitchell-Rountree House
- Mitchell-Shealy House
- Mitchell-Shook House
- Mitchells Presbyterian Church
- Mitchelltown Historic District
- Mitchell–Arnold House
- Mitchell–Tappan House
- Mitchell–Tibbetts House
- Mitchell–Ward House (Belvidere, North Carolina)
- Mitchell–Ward House (Gentry, Arkansas)
- Mittel Site
- Mixer Tavern
- Mixter Blacksmith Shop
- Mizpah Hotel
- Mizpah Lodge Building
- Mizpah Methodist Church
- Mizpah Presbyterian Church of East Portland
- Mo-Ark Baptist Academy
- Moab Cabin
- Moab LDS Church
- Moana Hotel
- Moar Mound and Village Site
- Moberly Commercial Historic District
- Moberly Junior High School
- Mobile City Hospital
- Mobile station (Gulf, Mobile and Ohio Railroad)
- Mobley Hotel
- Mobridge Masonic Temple
- Moccasin Bend
- Moccasin Bluff site
- Mochong
- Mock, Judson, Voehringer Company Hosiery Mill
- Mockingbird Valley, Kentucky
- Modale School and Masonic Hall
- Model Farm (High Point, North Carolina)
- Model Land Company Historic District
- Modern Auto Court
- Modern Automotive District
- Modern Brotherhood of America Building
- Modern Diner
- Modern Hotel
- Modern Housing Corporation Addition Historic District
- Modern News Building
- Modern Times School
- Modern Tool Company
- Modesty (sloop)
- Modjeska House
- Modjeska Monteith Simkins House
- Modoc Mission Church and Cemetery
- Modoc Rock Shelter
- Moeszinger-Marquis Hardware Co.
- Moffat Library
- Moffatt-Ladd House
- Moffett's Creek Schoolhouse
- Moffett-Ralston House
- Mogollon Baldy Lookout Cabin
- Mogollon, New Mexico
- Mohave County Courthouse and Jail
- Mohave County Hospital
- Mohave Union High School Gymnasium
- Mohawk Building
- Mohawk Trail
- Mohawk Upper Castle Historic District
- Mohawk Valley Elementary School District
- Mohawk Valley Grange Hall
- Mohonk Mountain House
- Mohrman-Jack-Evans House
- Moir Building
- Mojave Road
- Mokuaikaua Church
- Mokuʻula
- Moland House
- Mole Harbor Shelter Cabin
- Molii Fishpond
- Moline Downtown Commercial Historic District
- Mollie and Neel Glenn House
- Mollohan Mill
- Molly Brown House
- Molly Fleming House
- Molokaʻi Light
- Molstad Village
- Molyneux Chevrolet Company Building
- Mona Island Light
- Monaco Street Parkway
- Monadnock Building
- Monadnock Mills
- Monadnock Road Historic District
- Monaghan Mill
- Monarch Diner
- Monastery Immaculate Conception
- Monastery and Church of Saint Michael the Archangel
- Monastery of Our Lady of Charity
- Monastery of the Precious Blood
- Mondamon Farm
- Mondeaux Dam Recreation Area
- Moneta Branch
- Monette Water Tower
- Monfort Cemetery
- Monhegan Island Light
- Moniteau County Courthouse Square
- Monitor House
- Monjeau Lookout
- Monk House
- Monkton Town Hall
- Monmouth (Natchez, Mississippi)
- Monmouth Battlefield State Park
- Monmouth Courthouse Commercial Historic District
- Monmouth Street Historic District
- Monnett Memorial M. E. Chapel
- Mono County Courthouse
- Monocacy National Battlefield
- Monocacy Site
- Monomoy Point Light
- Monon Commercial Historic District
- Monon Park Dancing Pavilion
- Monona County Courthouse
- Monona Mound
- Monona Township Culvert
- Monongahela Cemetery
- Monongahela Incline
- Monongalia Arts Center
- Monongalia County Courthouse
- Monreath
- Monroe Avenue Commercial Buildings
- Monroe Avenue Water Filtration Plant
- Monroe Bank
- Monroe Carnegie Library
- Monroe Center Historic District
- Monroe City Hall (Monroe, Georgia)
- Monroe City Hall (Monroe, North Carolina)
- Monroe City Hall (Monroe, Utah)
- Monroe Commercial District
- Monroe Commercial Historic District
- Monroe Congregational Church and New Hope Cemetery
- Monroe County Bank Building
- Monroe County Courthouse (Clarendon, Arkansas)
- Monroe County Courthouse (Georgia)
- Monroe County Courthouse (Indiana)
- Monroe County Courthouse (Iowa)
- Monroe County Courthouse (Ohio)
- Monroe County Courthouse (Pennsylvania)
- Monroe County Courthouse (Tennessee)
- Monroe County Courthouse (Wisconsin)
- Monroe Courts Historic District
- Monroe Downtown Historic District
- Monroe Elementary School Historic District
- Monroe Furnace
- Monroe Hotel
- Monroe Lake Archeological District
- Monroe McKenzie House
- Monroe Park
- Monroe Presbyterian Church
- Monroe Residential Historic District (Monroe, North Carolina)
- Monroe School (Phoenix, Arizona)
- Monroe State Bank Building
- Monroe Street Bridge (Spokane, Washington)
- Monroe Street East Historic District
- Monroe Street School
- Monroe Tavern
- Monroe Terrace Historic District
- Monroe Ward
- Monroe Water Tower
- Monroe Wilson House
- Monroe and Walton Mills Historic District
- Monroeville Downtown Historic District
- Mons Anderson House
- Monsieur Giron's Confectionery
- Monson Center Historic District
- Monson Community Church
- Monson Developmental Center
- Monson Historical Society Museum
- Monson Lake State Park
- Monson's Hoist Bay Resort
- Mont Calm
- Mont and Harriet Johnson House
- Montague Center Historic District
- Montaigne (Natchez, Mississippi)
- Montalvo Arts Center
- Montana Avenue Historic District
- Montana Deaf and Dumb Asylum
- Montana ExpoPark
- Montana Governor's Residence
- Montana State Capitol
- Montana State Fairgrounds Racetrack
- Montana State Prison
- Montana State Training School Historic District
- Montana Veterans and Pioneers Memorial Building
- Montauk (Clermont, Iowa)
- Montauk Association Historic District
- Montauk Avenue Historic District
- Montauk Manor
- Montauk Point Light
- Montauk State Park
- Montauk Tennis Auditorium
- Montcalm Park Historic District
- Montchanin Historic District
- Montclair Art Museum
- Monte Cristo Cottage
- Monte Cristo Hotel
- Monte Ne
- Monte Sano Railroad Workers' House
- Monte Verde (Center Cross, Virginia)
- Monte Verdi Plantation
- Monte Vista (Middletown, Virginia)
- Monte Vista (Philadelphia, Pennsylvania)
- Monte Vista Downtown Historic District
- Monte Vista Elementary School (Albuquerque, New Mexico)
- Monte Vista Fire Station
- Monte Vista Historic District
- Monte Vista Hotel (Black Mountain, North Carolina)
- Monte Vista Library
- Monte Vista Lookout Cabin
- Monte Vista and Diamond Mountain Vineyard
- Monteagle Sunday School Assembly
- Montebello (Charlottesville, Virginia)
- Montebrier
- Montecito Apartments
- Montello Commercial Historic District
- Monterey (Odessa, Delaware)
- Monterey (Roanoke, Virginia)
- Monterey County Courthouse
- Monterey County Jail
- Monterey High School (Monterey, Virginia)
- Monterey Historic District (Blue Ridge Summit, Pennsylvania)
- Monterey Historic District (Monterey, Kentucky)
- Monterey Hotel
- Monterey Place
- Monterey State Historic Park
- Monterosa (Warrenton, Virginia)
- Montevideo station
- Montezuma (Norwood, Virginia)
- Montezuma Castle (hotel)
- Montezuma Castle National Monument
- Montezuma Downtown Historic District
- Montezuma Fuller House
- Montezuma Hotel
- Montezuma Schoolhouse
- Montezuma Valley Irrigation Company Flume No. 6
- Montezuma Valley National Bank and Store Building
- Montford Area Historic District
- Montfort Hall
- Montgomery (snagboat)
- Montgomery Bell Tunnel
- Montgomery Building (Spartanburg, South Carolina)
- Montgomery County Circuit Courthouses
- Montgomery County Courthouse (Arkansas)
- Montgomery County Courthouse (Georgia)
- Montgomery County Courthouse (Illinois)
- Montgomery County Courthouse (Iowa)
- Montgomery County Courthouse (North Carolina)
- Montgomery County Courthouse (Ohio)
- Montgomery County Jail (Red Oak, Iowa)
- Montgomery County Jail and Sheriff's Residence
- Montgomery Court (Denver, Colorado)
- Montgomery Covered Bridge
- Montgomery Hall, Colorado College
- Montgomery Hill Baptist Church
- Montgomery House (Claysville, Pennsylvania)
- Montgomery House (Madison, Mississippi)
- Montgomery House (Montgomery, Vermont)
- Montgomery House (Wilmington, Delaware)
- Montgomery Opera House
- Montgomery Park (Portland, Oregon)
- Montgomery Place
- Montgomery Primitive Baptist Church
- Montgomery Saltbox Houses
- Montgomery Street School
- Montgomery Street–Columbus Circle Historic District
- Montgomery Union Station
- Montgomery Ward Building (Burlington, Vermont)
- Montgomery Ward Building (Evansville, Indiana)
- Montgomery Ward Building (Idaho Falls, Idaho)
- Montgomery Ward Building (Lewistown, Pennsylvania)
- Montgomery Ward Building (Pueblo, Colorado)
- Montgomery Ward Building (San Angelo, Texas)
- Montgomery Ward Company Complex
- Montgomery Ward Warehouse and Retail Store
- Montgomery Water Works
- Montgomery Worsted Mills
- Montgomery–Grand–Liberty Streets Historic District
- Montgomery–Janes–Whittaker House
- Monthaven
- Monticello
- Monticello (Cynthiana, Kentucky)
- Monticello Arcade
- Monticello Carnegie Library
- Monticello Commercial Historic District
- Monticello Confederate Monument
- Monticello Courthouse Square Historic District
- Monticello Grange No. 338
- Monticello High School (Monticello, Georgia)
- Monticello Historic Commercial District
- Monticello Historic District (Monticello, Florida)
- Monticello Historic District (Monticello, Georgia)
- Monticello Methodist Church
- Monticello North Main Street Historic District
- Monticello Post Office
- Monticello Store and Post Office
- Monticola (Howardsville, Virginia)
- Montlake Bridge
- Montlake Historic District
- Montopolis Bridge
- Montour Falls Historic District
- Montour Falls Union Grammar School
- Montoya Ranch
- Montpelier (Cabin Point, Virginia)
- Montpelier (Orange, Virginia)
- Montpelier (Sperryville, Virginia)
- Montpelier Carnegie Library
- Montpelier Female Institute
- Montpelier Historic District (Montpelier, Idaho)
- Montpelier Historic District (Montpelier, Mississippi)
- Montpelier Historic District (Montpelier, Virginia)
- Montpelier Historic District (Vermont)
- Montpelier Mansion (Laurel, Maryland)
- Montpelier Odd Fellows Hall
- Montpellier (Natchez, Mississippi)
- Montpier
- Montreal Company Location Historic District
- Montrest
- Montrose (Clarksville, Maryland)
- Montrose (Hillsborough, North Carolina)
- Montrose (McKenney, Virginia)
- Montrose County Courthouse
- Montrose Historic District (Montrose, Alabama)
- Montrose Historic District (Montrose, Pennsylvania)
- Montrose Mansion and Chapel
- Montrose Masonic Temple
- Montrose Park
- Montrose Plantation House
- Montrose Presbyterian Church
- Montrose Schoolhouse
- Montvale (Worcester, Massachusetts)
- Montvale Hotel
- Montview
- Montview Boulevard Presbyterian Church
- Montville Baptist Church
- Montville Schoolhouse
- Montville Town House
- Monument Avenue
- Monument Circle Historic District
- Monument Hill and Kreische Brewery State Historic Sites
- Monument Mills
- Monument Park Historic District
- Monument Square (Portland, Maine)
- Monument Square Historic District (Alton, New Hampshire)
- Monument Square Historic District (Charlestown, Boston, Massachusetts)
- Monument Square Historic District (Jamaica Plain, Boston, Massachusetts)
- Monument Square Historic District (Leominster, Massachusetts)
- Monument Square–Eagle Street Historic District
- Monument Valley Park
- Monument of States
- Monument to Confederate Women
- Monumental Church
- Monumental Methodist Church
- Moody Barn
- Moody County Courthouse
- Moody Farm
- Moody Homestead
- Moody House (Bald Knob, Arkansas)
- Moody Mansion
- Moody Mansion (Pittston, Maine)
- Moody Shattuck House
- Moody Street Fire Station
- Moody Street Historic District
- Mooers–Hemmingford Border Crossing
- Moon House
- Moon-Dominick House
- Mooncrest Historic District
- Moonlight (ship)
- Moonlight towers (Austin, Texas)
- Moonlite Theatre
- Moor Green
- Moore Building
- Moore County Courthouse
- Moore County Courthouse and Jail (Tennessee)
- Moore County Hunt Lands and Mile-Away Farms
- Moore Fabric Company Plant
- Moore Family Farm
- Moore Farm and Twitchell Mill Site
- Moore Gulch Chinese Mining Site
- Moore Hall (Phoenixville, Pennsylvania)
- Moore Haven Downtown Historic District
- Moore Haven Heights Historic District
- Moore Haven Residential Historic District
- Moore House (Canehill, Arkansas)
- Moore House (Charleston, Missouri)
- Moore House (Garrison, New York)
- Moore House (Little Rock, Arkansas)
- Moore House (Locust Hill, North Carolina)
- Moore House (Poughkeepsie, New York)
- Moore House (Smyrna, Delaware)
- Moore House (Winchester, Massachusetts)
- Moore Potato House
- Moore Public Library (Lexington, Michigan)
- Moore Road Stone Arch Bridge
- Moore Square Historic District
- Moore State Park
- Moore Theatre
- Moore and Thompson Paper Mill Complex
- Moore's Auto Body and Paint Shop
- Moore's Building
- Moore's Corner Historic District
- Moore's Crossing Historic District
- Moore's Ford Bridge
- Moore-Cunningham House
- Moore-Dalton House
- Moore-Holt-White House
- Moore-Howland Estate
- Moore-Jacobs House
- Moore-Kinard House
- Moore-Mann House
- Moore-Manning House
- Moore-Mayo House
- Moore-McMillen House
- Moore-Ward Cobblestone House
- Moore-Webb-Holmes Plantation
- Moore/Carlew Building
- Moorefield Historic District
- Moorefield School
- Moorefields
- Moorehead Stagecoach Inn
- Mooreland (Brentwood, Tennessee)
- Moores Creek Bridge
- Moores Creek National Battlefield
- Moores Hill United Methodist Church
- Mooresburg School
- Moorestown Friends School and Meetinghouse
- Moorestown, New Jersey
- Mooresville Commercial Historic District
- Mooresville Friends Academy Building
- Mooresville Gymnasium
- Mooresville Historic District
- Mooresville Mill Village Historic District
- Mooresville, Alabama
- Moore–Hill House
- Moore–Lindsay House
- Moore–Youse–Maxon House
- Moose Addition Neighborhood Historic District
- Moose Creek Administrative Site
- Moose Creek Ranger Cabin No. 19
- Moose Entrance Kiosk
- Moose House
- Moose Lake station
- Moose River Congregational Church
- Moose River Site
- Moosup River Site (RI-1153)
- Moosup Valley Historic District
- Moqui Ranger Station
- Moquin's Bakery
- Mor-Val Hosiery Mill
- Moraga Adobe
- Moraine Park Museum and Amphitheater
- Moran Bay Patrol Cabin
- Moran Building
- Moran Municipal Generation Station
- Moran Square Historic District
- Moran State Park
- Moratock Park
- Moravia Union Cemetery
- Moravian Church (Oliphant's Mill, New Jersey)
- Moravian Pottery and Tile Works
- Moravian Sun Inn
- Mordecai House
- Mordecai Lincoln House (Lorane, Pennsylvania)
- Mordecai Lincoln House (Springfield, Kentucky)
- Mordecai Place Historic District
- Mordecai Puryear House
- Mordecai Zachary House
- Mordington (Frederica, Delaware)
- More Automobile Company Building
- More Hall Annex
- More Hill Historic District
- More Mileage Gas Station
- Morea (Charlottesville, Virginia)
- Moreau Drive Historic District
- Moreau Park Historic District
- Morehead City Historic District
- Morehead City Municipal Building
- Morehead Hill Historic District
- Morehead State University
- Morehous Residential Historic District
- Morehouse Parish Courthouse
- Morel-Nott House
- Moreland (Bethesda, Maryland)
- Moreland Street Historic District
- Moreland Terrace Historic District
- Moreland-Hoffstot House
- Morelli House
- Morency Paint Shop and Apartment Building
- Moreton Frewen House
- Morewood School
- Morey House (South Bend, Indiana)
- Morey Memorial Bridge
- Morey-Lampert House
- Morgan A. and Clarissa R. Knapp House
- Morgan Block
- Morgan Bridge (Old Peru, Iowa)
- Morgan Building
- Morgan Chapel and Graveyard
- Morgan Cobblestone Farmhouse
- Morgan Cottage
- Morgan County Courthouse (Illinois)
- Morgan County Courthouse (Indiana)
- Morgan County Courthouse (Kentucky)
- Morgan County Courthouse (Missouri)
- Morgan County Courthouse (West Virginia)
- Morgan County Sheriff's House and Jail
- Morgan Covered Bridge
- Morgan High School Mechanical Arts Building
- Morgan Hill Farm
- Morgan Hook and Ladder Company
- Morgan House (Bloomington, Indiana)
- Morgan House (Central, South Carolina)
- Morgan House (South Mills, North Carolina)
- Morgan House (Willcox, Arizona)
- Morgan James Homestead
- Morgan Jones 1677 Pottery Kiln
- Morgan Library & Museum
- Morgan Mansion
- Morgan School
- Morgan State University Memorial Chapel
- Morgan Union Pacific Depot
- Morgan West Wheatland Cemetery
- Morgan's Grove
- Morgan's Mill
- Morgan-Bedinger-Dandridge House
- Morgan-Copp-Mervau Building
- Morgan-Curtis House
- Morgan-Gold House
- Morgan-Skinner-Boyd Homestead
- Morgan-Townsend House
- Morgan-Wells House
- Morganfield Commercial District
- Morganton Downtown Historic District
- Morgantown Historic District (Marshall, Virginia)
- Morgantown Historic District (Morgantown, Indiana)
- Morgantown Historic District (Morgantown, Pennsylvania)
- Morgantown Wharf and Warehouse Historic District
- Morganville Pottery Factory Site
- Morgan–Hueston House
- Morgan–Manning House
- Moriah Town Office Building
- Moriarty Eclipse Windmill
- Moritz Bergstein Shoddy Mill and Warehouse
- Morley Bridge
- Morlunda (Greenbrier County, West Virginia)
- Mormon Flat Dam
- Mormon Print Shop
- Mormon Row Historic District
- Mormon Well Spring
- Morning Chapel C.M.E. Church
- Morning Eagle
- Morningside (Maryville, Tennessee)
- Morningside Historic District (Gary, Indiana)
- Morningside University
- Moro Bay ferry
- Moro Plantation House
- Moro Rock
- Morocco Temple
- Moroni High School Mechanical Arts Building
- Moroni Opera House
- Moross House
- Morrell House
- Morrill County Courthouse
- Morrill Hall (Cornell University)
- Morrill Hall (Iowa State University)
- Morrill Hall (University of Nevada, Reno)
- Morrill-Lassonde House
- Morrilton Commercial Historic District
- Morrilton Post Office
- Morrilton station
- Morris A. Knight House
- Morris Arboretum
- Morris Avenue–First Avenue North Historic District
- Morris Brown House
- Morris Canal
- Morris Carnegie Library
- Morris Clinton House
- Morris County Courthouse (New Jersey)
- Morris Cove Historic District
- Morris Downtown Commercial Historic District
- Morris Hartsell Farmstead
- Morris High School Historic District
- Morris Hill Cemetery Mausoleum
- Morris House (Bentonville, Arkansas)
- Morris House (Bradford, Arkansas)
- Morris House (Circleville, Ohio)
- Morris House (Lonoke, Arkansas)
- Morris House (New Haven, Connecticut)
- Morris House (Washington, D.C.)
- Morris Industrial School for Indians
- Morris Institute Dairy Barn
- Morris Island Lighthouse
- Morris Levenson Three-Decker
- Morris Mansion and Mill
- Morris Marks House
- Morris Memorial Building
- Morris Memorial Hospital for Crippled Children
- Morris Park station
- Morris Performing Arts Center
- Morris Plains station
- Morris Ranch Schoolhouse
- Morris Rees III House
- Morris Roberts Store
- Morris Sharp House
- Morris Silverman House
- Morris Sommer House
- Morris Village Historic District
- Morris Wide Water Canal Boat Site
- Morris-Hair Tavern
- Morrison Baptist Church
- Morrison Block
- Morrison Bridge
- Morrison County Courthouse
- Morrison House (Cincinnati, Ohio)
- Morrison Lodge
- Morrison Main Street Historic District
- Morrison Mounds
- Morrison Plantation Smokehouse
- Morrison and Clark Houses
- Morrison-Mott House
- Morrison–Campbell House
- Morristown District
- Morristown Historic District
- Morristown Main Street Historic District
- Morristown National Historical Park
- Morristown Schoolhouse
- Morristown and Erie Railroad Whippany Water Tank
- Morristown station
- Morristown station (Indiana)
- Morristown, Arizona
- Morristown–Beard School
- Morrisville Christian Church
- Morrisville Historic District (Morristown, Vermont)
- Morrisville Public Library
- Morrisville–Trenton Railroad Bridge
- Morris–Butler House
- Morris–Jumel Mansion
- Morris–Lull Farm
- Morrocroft
- Morrow County Courthouse (Ohio)
- Morrow County Courthouse (Oregon)
- Morrow Hall
- Morrow Plots
- Morse & Co. Office Building
- Morse Cobblestone Farmhouse
- Morse Dell Plain House and Garden
- Morse Farm (Moravia, New York)
- Morse House (Taunton, Massachusetts)
- Morse and Wade Building
- Morseville Bridge
- Morse–Barber House
- Morse–Scoville House
- Morse–Tay–Leland–Hawes House
- Morson's Row
- Morss Homestead/Federal City Homestead
- Mort Glosser Amphitheater
- Morten Rasmussen House
- Mortensen-Nelson House
- Mortimer Fleishhacker House
- Mortimer Place Historic District
- Mortimer Webster House
- Mortland Family Farm
- Morton A. Cheesman House
- Morton Brothers Grocery
- Morton County WPA Bridge
- Morton Freeman Plant Hunting Lodge
- Morton Homestead
- Morton House (Webster Springs, West Virginia)
- Morton Mansion (Douglas, Wyoming)
- Morton Matthew McCarver House
- Morton Memorial Laboratory of Chemistry
- Morton Memorial Library (Pine Hill, New York)
- Morton Memorial Library (Rhinecliff, New York)
- Morton Morton House
- Morton Road Historic District
- Morton School (West Lafayette, Indiana)
- Morton Street
- Morton Theatre
- Morton-James Public Library
- Mortonville Hotel
- Morton–Myer House
- Morven (Cartersville, Virginia)
- Morven (Markham, Virginia)
- Morven (Princeton, New Jersey)
- Morven (Simeon, Virginia)
- Morven Park
- Mory's
- Mosaic Dallas
- Mosaic Templars State Temple
- Mosby Creek Bridge
- Mosby Tavern
- Mosby-Bennett House
- Moscow Carnegie Library
- Moscow City Hall (Idaho)
- Moscow Covered Bridge
- Moscow High School (1912)
- Moscow Methodist Church and Cemetery
- Moscow Village Historic District
- Moselem Farms Mill
- Moseley Homestead
- Moseley School (Westfield, Massachusetts)
- Moselle Iron Furnace Stack
- Mosely-Woods House
- Moser Farm
- Moser Stone House
- Moses Andrews House
- Moses Bailey House
- Moses Brace–Uriah Cadwell House
- Moses Brewer House
- Moses Brown House
- Moses Brown School
- Moses Camp House
- Moses Carleton House
- Moses Coates Jr. Farm
- Moses Craig Lime Kilns
- Moses Eaton Jr. House
- Moses Ellis House
- Moses Farnum House
- Moses Fowler House
- Moses Goldsmith Building
- Moses Greene House
- Moses Greenwood House
- Moses H. Cone Memorial Park
- Moses Hammond House
- Moses Hepburn Rowhouses
- Moses Hutchins House
- Moses J. Taylor House
- Moses Kent House
- Moses King Brick and Tile Works
- Moses Little Tavern
- Moses Merrill Baptist Camp
- Moses Merrill Mission
- Moses Morse House
- Moses Mould House
- Moses Nadenbousch House
- Moses P. Perley House
- Moses Packard House
- Moses Rodgers House
- Moses Ross House
- Moses Rountree House
- Moses Taft House (Burrillville, Rhode Island)
- Moses Taft House (Uxbridge, Massachusetts)
- Moses U. Payne House
- Moses Van Campen House
- Moses Webster House
- Moses Yeomans House
- Moses and Ida Kline House
- Moses and Mary Hart Stone House and Ranch Complex
- Moses-Kent House
- Moshassuck Square
- Mosher Farmstead
- Mosher House
- Mosier Mounds Complex
- Mosman House
- Mosquito Beach Historic District
- Mosquito Island House
- Moss Hill
- Moss Hill Church
- Moss Ledge
- Moss Mansion
- Moss Neck Manor
- Moss Side (New Kent County, Virginia)
- Moss–Johnson Farm
- Most Precious Blood Roman Catholic Church, Rectory and Parochial School
- Most Pure Heart Of Mary Church
- Most Worshipful Prince Hall Grand Lodge of Michigan
- Moswansicut Pond Site, RI-960
- Moswetuset Hummock
- Mote-Morris House
- Mother Bethel A.M.E. Church
- Mother Cabrini Shrine
- Mother Easter Baptist Church and Parsonage
- Mother Mosque of America
- Mother Neff State Park
- Mother Seton House
- Mother of God Roman Catholic Church (Covington, Kentucky)
- Mother of Sorrows Catholic Church
- Mother's Building
- Mothers' and Daughters' Club House
- Motley Slough Bridge
- Motor Mart Building
- Motor Mill Historic District
- Motor Row District
- Motor Square Garden
- Motor Wheel Lofts
- Motor, Iowa
- Mott Haven, Bronx
- Mott House (Columbus, Georgia)
- Mott Mill
- Mott School and Second Street School
- Mott Willis Store
- Mottley Family Farmstead
- Mottman Building
- Moulin Rouge Hotel
- Moulton Courthouse Square Historic District
- Moultonborough Town House
- Moulton–Wells House
- Moultrie Church
- Moultrie Commercial Historic District
- Moultrie County Courthouse
- Moultrieville Historic District
- Mound Bottom
- Mound Cemetery (Arkansas City, Arkansas)
- Mound Cemetery (Marietta, Ohio)
- Mound Cemetery Mound (Chester, Ohio)
- Mound City Civil War Naval Hospital
- Mound City National Cemetery
- Mound City station
- Mound Hill Archaeological Site
- Mound House (Greene County, Illinois)
- Mound Key Archaeological State Park
- Mounds Cemetery
- Mounds State Park
- Moundsville Commercial Historic District
- Moundville Archaeological Site
- Mouns Jones House
- Mount Adams (Bel Air, Maryland)
- Mount Adams Fire Observation Station
- Mount Adams Public School
- Mount Adnah Cemetery
- Mount Air
- Mount Airy (Davidsonville, Maryland)
- Mount Airy (Leesville, Virginia)
- Mount Airy (Sharpsburg, Maryland)
- Mount Airy (Verona, Virginia)
- Mount Airy Forest
- Mount Airy Historic District (Bethlehem, Pennsylvania)
- Mount Airy Historic District (Mount Airy, Maryland)
- Mount Airy Historic District (Mount Airy, North Carolina)
- Mount Airy Plantation
- Mount Airy station
- Mount Airy, New Jersey
- Mount Albion Cemetery
- Mount Ararat Baptist Church (Ensley, Alabama)
- Mount Ascutney State Park
- Mount Athos (Kelly, Virginia)
- Mount Auburn Cemetery
- Mount Auburn Cemetery (Baltimore, Maryland)
- Mount Auburn Cemetery Reception House (1870)
- Mount Auburn Historic District
- Mount Aventine
- Mount Baker Theatre
- Mount Baker Tunnel
- Mount Beacon Incline Railway
- Mount Beasor Primitive Baptist Church
- Mount Bernard Complex
- Mount Bethel Baptist Meetinghouse
- Mount Bethel Methodist Church
- Mount Bonnell
- Mount Brown Fire Lookout
- Mount Calvary Baptist Church
- Mount Calvary Lutheran Church
- Mount Cammerer
- Mount Carmel A.M.E. Zion Campground
- Mount Carmel Congregational Church and Parish House
- Mount Carmel Historic District
- Mount Carmel Monastery
- Mount Carroll Historic District
- Mount Clare (Maryland)
- Mount Clemens station
- Mount Columbia (Manquin, Virginia)
- Mount Cuba Historic District
- Mount Desert Light
- Mount Dora Historic District
- Mount Dora station
- Mount Ebal Methodist Protestant Church
- Mount Ecclesia
- Mount Elizabeth Archeological Site
- Mount Emily
- Mount Energy Historic District
- Mount Enon Church and Cemetery
- Mount Fair
- Mount Feake Cemetery
- Mount Freedom Presbyterian Church
- Mount Fremont Fire Lookout
- Mount Gilboa Chapel
- Mount Gilead Downtown Historic District
- Mount Greylock
- Mount Gulian
- Mount Harkness Fire Lookout
- Mount Harmon
- Mount Healthy Public School
- Mount Hebron Cemetery and Gatehouse
- Mount Hebron Temperance Hall
- Mount Helena City Park
- Mount Holly (Foote, Mississippi)
- Mount Holly Cemetery
- Mount Holly Cotton Mill
- Mount Holly Mausoleum
- Mount Holly, New Jersey
- Mount Hood Hotel Annex
- Mount Hood Masonic Temple
- Mount Hood Railroad
- Mount Hope (Cheverly, Maryland)
- Mount Hope (Falls Church, Virginia)
- Mount Hope (New Baltimore, Virginia)
- Mount Hope (Ridgeway, South Carolina)
- Mount Hope Bridge
- Mount Hope Cemetery (Bangor, Maine)
- Mount Hope Cemetery (Boston)
- Mount Hope Cemetery (Raleigh, North Carolina)
- Mount Hope Cemetery (Rochester)
- Mount Hope Cemetery (Watertown, South Dakota)
- Mount Hope Estate
- Mount Hope Farm
- Mount Hope Historic District
- Mount Hope Miners' Church
- Mount Hope Plantation House
- Mount Hope Reservoir
- Mount Hope–Highland Historic District
- Mount Horeb Baptist Church
- Mount Horeb Earthworks Complex
- Mount Horeb Public School
- Mount Hygeia
- Mount Ida (Scottsville, Virginia)
- Mount Ida Cities Service Filling Station
- Mount Independence (Vermont)
- Mount Jackson Historic District
- Mount Jasper Lithic Source
- Mount Joy (Whitemarsh, Pennsylvania)
- Mount Kemble Home
- Mount Kisco Municipal Complex
- Mount Lebanon Baptist Church
- Mount Lebanon Chapel and Cemetery
- Mount Lebanon Methodist Episcopal Church
- Mount Lebanon Shaker Society
- Mount Lowe Railway
- Mount Lubentia
- Mount McKinley National Park Headquarters District
- Mount Moor African-American Cemetery
- Mount Mora Cemetery
- Mount Moriah Baptist Church (Middlesboro, Kentucky)
- Mount Moriah Baptist Church and Cemetery
- Mount Moriah Masonic Lodge No. 18
- Mount Moriah Presbyterian Church
- Mount Morris Bank Building
- Mount Morris Park Historic District
- Mount Mourne Plantation
- Mount Nebo (Arkansas)
- Mount Nebo (Poolesville, Maryland)
- Mount Nebo Archaeological District
- Mount Nebo Baptist Church
- Mount Nord Historic District
- Mount Olive (Natchez, Mississippi)
- Mount Olive African Methodist Episcopal Church
- Mount Olive Cemetery (Jackson, Mississippi)
- Mount Olive Cumberland Presbyterian Church
- Mount Olive High School (North Carolina)
- Mount Olive Historic District
- Mount Olive Missionary Baptist Church (Mobile, Alabama)
- Mount Olive Missionary Baptist Church (Nassauville, Florida)
- Mount Olive United Methodist Church
- Mount Olive Village Historic District
- Mount Olive-Bedford Chapel Cemetery
- Mount Olivet Cemetery (Nashville)
- Mount Olivet Cumberland Presbyterian Church
- Mount Olivet Methodist Church
- Mount Olivet Presbyterian Church
- Mount Orne Covered Bridge
- Mount Oval
- Mount Philo State Park
- Mount Pleasant (Hague, Virginia)
- Mount Pleasant (Indian Falls, New York)
- Mount Pleasant (Newton, Massachusetts)
- Mount Pleasant (Smyrna, Delaware)
- Mount Pleasant (Staunton, Virginia)
- Mount Pleasant (Strasburg, Virginia)
- Mount Pleasant (Union Bridge, Maryland)
- Mount Pleasant (Upper Marlboro, Maryland)
- Mount Pleasant (Washington, D.C.)
- Mount Pleasant (mansion)
- Mount Pleasant Armory
- Mount Pleasant Baptist Church and Cemetery
- Mount Pleasant Carnegie Library
- Mount Pleasant Cemetery (Newark, New Jersey)
- Mount Pleasant Cemetery (Taunton, Massachusetts)
- Mount Pleasant City Hall (Iowa)
- Mount Pleasant Collegiate Institute Historic District
- Mount Pleasant Commercial Historic District (Mount Pleasant, Utah)
- Mount Pleasant Covered Bridge
- Mount Pleasant Downtown Historic District
- Mount Pleasant High School Mechanical Arts Building
- Mount Pleasant Historic District (Boston, Massachusetts)
- Mount Pleasant Historic District (Harrisburg, Pennsylvania)
- Mount Pleasant Historic District (Mount Pleasant, North Carolina)
- Mount Pleasant Historic District (Mount Pleasant, Pennsylvania)
- Mount Pleasant Historic District (Mount Pleasant, South Carolina)
- Mount Pleasant Historic District (Mt. Pleasant, Ohio)
- Mount Pleasant House (Los Angeles, California)
- Mount Pleasant Indian Industrial Boarding School
- Mount Pleasant Methodist Church
- Mount Pleasant Methodist Episcopal Church and Parsonage
- Mount Pleasant National Guard Armory
- Mount Pleasant School (Harrison Township, New Jersey)
- Mount Pleasant, Hunterdon County, New Jersey
- Mount Prospect (Leggett, North Carolina)
- Mount Prospect Baptist Church
- Mount Prospect Methodist Church
- Mount Prospect School for Boys
- Mount Pulaski Courthouse State Historic Site
- Mount Rainier Historic District
- Mount Rainier National Park
- Mount Repose (Natchez, Mississippi)
- Mount Riga Ironworks
- Mount Rose Distillery Archaeological Site
- Mount Rose K–8 School
- Mount Royal (Florida)
- Mount Royal Station (Maryland Institute College of Art)
- Mount Rushmore
- Mount Saint Bernard Seminary and Barn
- Mount Saint Joseph (West Virginia)
- Mount Saint Mary's Convent and Academy
- Mount Saint Michael
- Mount Salem Baptist Meetinghouse
- Mount Salem Church and School
- Mount Salem Methodist Episcopal Church
- Mount San Jacinto State Park
- Mount Savage Historic District
- Mount Saviour Monastery
- Mount Sequoyah Cottages
- Mount Sharon
- Mount Shepherd Pottery Site
- Mount Shiloh Missionary Baptist Church
- Mount Sinai Morningside
- Mount Sinai School
- Mount Sinai Temple (Sioux City, Iowa)
- Mount St. Helens
- Mount St. Joseph Academy (West Hartford, Connecticut)
- Mount St. Peter Church
- Mount Sterling Commercial Historic District
- Mount Sterling Methodist Church
- Mount Sterling United Methodist Church
- Mount Stirling (Providence Forge, Virginia)
- Mount Tabor (Oregon)
- Mount Tabor Good Samaritan Lodge No. 59
- Mount Tabor Methodist Episcopal Church (Crownsville, Maryland)
- Mount Tabor Methodist Episcopal Church (West Liberty, Ohio)
- Mount Tabor, New Jersey
- Mount Taylor (Florida)
- Mount Tenjo Fortifications
- Mount Theodore Roosevelt Monument
- Mount Tom State Park
- Mount Tremper Fire Observation Station
- Mount Union Historic District
- Mount Vernon
- Mount Vernon (Woodleaf, North Carolina)
- Mount Vernon AME Church (Gamaliel, Kentucky)
- Mount Vernon African Methodist Episcopal Church (Palestine, Texas)
- Mount Vernon Arsenal
- Mount Vernon Cemetery (West Boylston, Massachusetts)
- Mount Vernon Commercial District
- Mount Vernon Commercial Historic District
- Mount Vernon Downtown Historic District
- Mount Vernon Furnace
- Mount Vernon Hotel Museum
- Mount Vernon Mill No. 1
- Mount Vernon Place United Methodist Church and Asbury House
- Mount Vernon School (Chatham Township, New Jersey)
- Mount Vernon Seminary and College
- Mount Vernon Springs Historic District
- Mount Vernon Square
- Mount Vernon Street Historic District
- Mount Vernon Tavern
- Mount Vernon Triangle Historic District
- Mount Vernon, Baltimore
- Mount Victory Historic District
- Mount View (Sheridan, Wyoming)
- Mount Waldo
- Mount Walla
- Mount Washington Hotel
- Mount Washington, Baltimore
- Mount Welcome (residence)
- Mount Wollaston Cemetery
- Mount Zion (Milldale, Virginia)
- Mount Zion A.M.E. Church (Ocala, Florida)
- Mount Zion A.M.E. Church (Tredyffrin Township, Pennsylvania)
- Mount Zion AME Church (Jacksonville, Florida)
- Mount Zion AME Zion Church (Montgomery, Alabama)
- Mount Zion African Methodist Episcopal Church and Mount Zion Cemetery
- Mount Zion Baptist Church (Anniston, Alabama)
- Mount Zion Baptist Church (Athens, Ohio)
- Mount Zion Baptist Church (Charlottesville, Virginia)
- Mount Zion Baptist Church (Little Rock, Arkansas)
- Mount Zion Baptist Church (Martinsburg, West Virginia)
- Mount Zion Baptist Church (Miami)
- Mount Zion Baptist Church (Salisbury, North Carolina)
- Mount Zion Baptist Church (Tulsa)
- Mount Zion Cemetery (Walnut Ridge, Arkansas)
- Mount Zion Cemetery (Washington, D.C.)
- Mount Zion Church (Decatur, Tennessee)
- Mount Zion Church and Cemetery (Hallsville, Missouri)
- Mount Zion Covered Bridge
- Mount Zion Lodge Masonic Temple
- Mount Zion Memorial Church
- Mount Zion Methodist Church (Somers, New York)
- Mount Zion Methodist Episcopal Church (Eaton, Indiana)
- Mount Zion Methodist Episcopal Church South
- Mount Zion Missionary Baptist Church (Brinkley, Arkansas)
- Mount Zion Missionary Baptist Church (Fayetteville, Tennessee)
- Mount Zion Missionary Baptist Church (Pensacola, Florida)
- Mount Zion Old School Baptist Church
- Mount Zion Presbyterian Church (Chandlersville, Ohio)
- Mount Zion United Methodist Church (Belton, Texas)
- Mount Zion United Methodist Church (Crabtree, North Carolina)
- Mount Zion United Methodist Church (Washington, D.C.)
- Mount de Chantal Visitation Academy
- Mount de Sales Academy (Catonsville, Maryland)
- Mountain Avenue Historic District
- Mountain Avenue station
- Mountain Branch, National Home for Disabled Volunteer Soldiers
- Mountain Brook Estates Building
- Mountain Dell Dam
- Mountain Fire Lookout Tower
- Mountain Fork Bridge
- Mountain Glen
- Mountain Grove (Esmont, Virginia)
- Mountain Grove Bandstand
- Mountain Grove City Hall
- Mountain Hall
- Mountain High School (Mountain, Wisconsin)
- Mountain Home (Front Royal, Virginia)
- Mountain Home (White Sulphur Springs, West Virginia)
- Mountain Home Carnegie Library
- Mountain Home Commercial Historic District
- Mountain House (Chillicothe, Ohio)
- Mountain Iron Mine
- Mountain Lake Colony House
- Mountain Lake Estates Historic District
- Mountain Lake Park Historic District
- Mountain Lake Site
- Mountain Lakes, New Jersey
- Mountain Meadow Farm
- Mountain Meadow, Utah
- Mountain Meadows Massacre
- Mountain Play Association
- Mountain Quarries Bridge
- Mountain Rest
- Mountain Road Historic District
- Mountain Shoals Plantation
- Mountain Springs Hotel
- Mountain States Telephone Building
- Mountain States Telephone and Telegraph Company Building (Meridian, Idaho)
- Mountain States Telephone and Telegraph Company Building (Miles City, Montana)
- Mountain Station
- Mountain View (Chatham, Virginia)
- Mountain View (Morganton, North Carolina)
- Mountain View (Roanoke, Virginia)
- Mountain View Adobe
- Mountain View Auto Court
- Mountain View Cemetery (Ashland, Oregon)
- Mountain View Farm (Clifford, Virginia)
- Mountain View Farm (Dublin, New Hampshire)
- Mountain View Farm (Lexington, Virginia)
- Mountain View Farm (Plainview, Arkansas)
- Mountain View Hotel (Centennial, Wyoming)
- Mountain View House
- Mountain View Officers' Club
- Mountain View School (Russellville, Arkansas)
- Mountain View Stock Farm
- Mountain View Waterworks
- Mountain Winery
- Mountainair Municipal Auditorium
- Mountainaire Hotel Historic District
- Mountaineer Casino, Racetrack and Resort
- Mountaineer Hotel
- Mountainville Grange Hall
- Mountainville, New Jersey
- Mountrail County Courthouse
- Mountview
- Mountz House
- Moving Star Hall
- Mower Road – Cole Drain Bridge
- Mowers' Block
- Mowfield
- Mowich Lake Patrol Cabin
- Mowry Bluff Archeological Site
- Moxham Historic District
- Moxley Covered Bridge
- Moyaone Reserve
- Moyce–Steffens House
- Moye Boarding House
- Moyer Row Houses
- Moyer Site
- Moyers Building
- Moyle House and Indian Tower
- Moyse Building
- Moysonec
- Mr. Fred L. Mandel Jr. House
- Mr. J. William de Coursey O'Grady House
- Mr. James Kent Calhoun House
- Mr. Robert Silhan House
- Mr. and Mrs Frank Boonstra House
- Mr. and Mrs. Louis P. Butenschoen House
- Mr. and Mrs. Robert C. Reinke House
- Mrs. A. F. Rossi House
- Mrs. A. W. Gridley House
- Mrs. B.F. Williamson House
- Mrs. C. Morse Ely House
- Mrs. Clinton Walker House
- Mrs. Edward B. Craig House
- Mrs. Frank Geyso Houses
- Mrs. Graham Fair Vanderbilt House
- Mrs. Henry F. Akin House
- Mrs. I. L. Crego House
- Mrs. Isaac D. Adler House
- Mrs. J. V. Murphy House
- Mrs. Lydia Johnson House
- Mrs. Lydia McCaffery's Furnished Rooms
- Mrs. M. P. Sargent House
- Mrs. Margaret Sieben House
- Mrs. Marian D. Vail-Prof. Charles Noyes Kinney House
- Mrs. Minnie Alexander Cottage
- Mrs. Osburn House
- Mrs. R. Marcy House
- Mrs. Richard Polson House
- Mrs. Sam Houston House
- Mt. Airy (Cordova, Tennessee)
- Mt. Airy School No. 27
- Mt. Atlas (Haymarket, Virginia)
- Mt. Beacon Fire Observation Tower
- Mt. Broderick Pullman Car
- Mt. Carmel Historic District
- Mt. Carmel Methodist Church
- Mt. Carmel Presbyterian Church (Covington, Tennessee)
- Mt. Carmel School and Church
- Mt. Cuba Center
- Mt. Gilead Christian Church
- Mt. Hebron M.E. Church South and Cemetery
- Mt. Horeb Opera Block
- Mt. Horeb Presbyterian Church and Cemetery
- Mt. McSauba Site
- Mt. Memorial Cemetery
- Mt. Mercy Apartments
- Mt. Meridian Schoolhouse
- Mt. Moriah Masonic Lodge No. 155
- Mt. Olive Baptist Church (Mullins, South Carolina)
- Mt. Olive Methodist Episcopal Church
- Mt. Olive Road Covered Bridge
- Mt. Olive Rosenwald School
- Mt. Olivet Baptist Church (Portland, Oregon)
- Mt. Olivet Episcopal Church and Cemetery
- Mt. Olivet Methodist Church
- Mt. Pilgrim African Baptist Church
- Mt. Pisgah A.M.E. Church
- Mt. Pisgah Baptist Church
- Mt. Pisgah Lutheran Church
- Mt. Pleasant Baptist Church
- Mt. Pleasant Christian Church
- Mt. Pleasant Iron Works House
- Mt. Pleasant Methodist Church
- Mt. Pleasant Presbyterian Church
- Mt. Pleasant School (Gerrardstown, West Virginia)
- Mt. Pleasant Winery Historic District
- Mt. Sidney Historic District
- Mt. Sidney School
- Mt. Sinai Baptist Church (Eden, North Carolina)
- Mt. Sinai Baptist Church (Suffolk, Virginia)
- Mt. Sinai Synagogue
- Mt. Tabor Baptist Church
- Mt. Torry Furnace
- Mt. Van Hoevenberg Olympic Bobsled Run
- Mt. Vernon Methodist Church
- Mt. Woods Cemetery
- Mt. Zion Baptist Church (Canton, Mississippi)
- Mt. Zion Christian Church
- Mt. Zion Christian Methodist Episcopal Church
- Mt. Zion Church and Cemetery (Elkhorn, Tennessee)
- Mt. Zion Institute High School
- Mt. Zion Methodist Church (Brenham, Texas)
- Mt. Zion Methodist Church (Carthage, Arkansas)
- Mt. Zion Missionary Baptist Church (Enola, Arkansas)
- Mt. Zion Presbyterian Church (Bishopville, South Carolina)
- Mt. Zion Presbyterian Church (Relfs Bluff, Arkansas)
- Mt. Zion Rosenwald School
- Mt. Zion Schoolhouse
- Much Haddam
- Muckenthaler House
- Mud House
- Mud Lake Canal
- Mud River Covered Bridge
- Mud Springs Station Archeological District
- Mudbaden Sulphur Springs Company
- Muddy Creek Archeological Complex
- Muddy Creek Bridge, Maryland and Pennsylvania Railroad
- Muddy Creek Forks Historic District
- Muddy Creek Mill
- Mudge Farmhouse
- Mueller Bridge
- Mueller Homestead
- Mueller-Wright House
- Muessel-Drewry Brewery
- Muheim House
- Muhlenberg County Courthouse
- Muhlenberg School
- Muir Church of Christ
- Muir Woods National Monument
- Muirdale Tuberculosis Sanatorium
- Muitzes Kill Historic District
- Mukai Cold Process Fruit Barrelling Plant
- Mukilteo Light
- Muklassa
- Mulberry Chapel Methodist Church
- Mulberry Fields
- Mulberry Grove (Ahoskie, North Carolina)
- Mulberry Grove (Brownsburg, Virginia)
- Mulberry Grove (White Castle, Louisiana)
- Mulberry Grove Plantation
- Mulberry Hill (Edenton, North Carolina)
- Mulberry Hill (Lexington, Virginia)
- Mulberry Hill (Randolph, Virginia)
- Mulberry Home Economics Building
- Mulberry Plantation (Kershaw County, South Carolina)
- Mulberry Plantation (Moncks Corner, South Carolina)
- Mulberry River Bridge (Pleasant Hill, Arkansas)
- Mulberry River Bridge (Turner's Bend, Arkansas)
- Mulcahy Barn
- Muldor-Miller House
- Mulford Building
- Mulford T. Hunter House
- Mulhall United Methodist Church
- Mulhern House
- Mull Covered Bridge
- Mull House and Cemetery
- Mulladay Hollow Bridge
- Mullan Road
- Mullendore Mansion
- Mullens Historic District
- Muller's Department Store
- Mullet Key
- Mullett Rowhouses
- Mullica Hill, New Jersey
- Mullins Commercial Historic District
- Mullins Court
- Mulrien House
- Multnomah County Courthouse
- Multnomah County Poor Farm
- Multnomah Falls
- Multnomah Hotel
- Mulvey Mercantile
- Mulville House
- Mummy Cave
- Muncy Historic District
- Munday House
- Mundelein College
- Munfordville Presbyterian Church and Green River Lodge No. 88
- Munger House
- Munger Place Historic District
- Munger Terrace
- Munichburg Commercial Historic District
- Municipal Asphalt Plant
- Municipal Auditorium and City Hall (Leoti, Kansas)
- Municipal Building (Ames, Iowa)
- Municipal Building (Bluefield, West Virginia)
- Municipal Building (El Dorado, Arkansas)
- Municipal Building (Hartford, Connecticut)
- Municipal Building (Oneonta, New York)
- Municipal Courts Building (Chicago, Illinois)
- Municipal Golf Course
- Municipal Group Historic District
- Municipal Light Plant
- Municipal Warehouse No. 1
- Munn Park Historic District
- Munro-Hawkins House
- Munroe Building
- Munroe Street Historic District
- Munroe Tavern (Lexington, Massachusetts)
- Munroe–Dunlap–Snow House
- Munson Building
- Munson Diner
- Munson Hall
- Munson Valley Historic District
- Munson-Williams-Proctor Arts Institute
- Munsungan-Chase Lake Thoroughfare Archeological District
- Mural "La Familia"
- Murch Family House
- Murdo State Bank
- Murdock School
- Murfreesboro Cities Service Station
- Murfreesboro Historic District
- Murie Ranch Historic District
- Murie Residence
- Murillo Flats
- Murphey School
- Murphey-Jennings House
- Murphy Farms Number 1
- Murphy Grist Mill
- Murphy High School (Alabama)
- Murphy Hotel (Jackson, Tennessee)
- Murphy Mound Archeological Site
- Murphy Trail and Bridge
- Murphy Varnish Works
- Murphy-Burroughs House
- Murphy-Lamb House and Cemetery
- Murphys Grammar School
- Murphys Hotel
- Murphysboro Elks Lodge
- Murphysboro station
- Murphysburg Historic District
- Murphy–Hill Historic District
- Murray Apartments and Cottages
- Murray County Courthouse (Georgia)
- Murray County Courthouse (Oklahoma)
- Murray D. Van Wagoner Memorial Bridge
- Murray Downtown Historic District
- Murray Downtown Residential Historic District
- Murray Farm
- Murray General Merchandise Store
- Murray Hill (Loudoun County, Virginia)
- Murray Hill (house)
- Murray Hill Elementary School
- Murray Hill Summer Home District
- Murray Hill station (NJ Transit)
- Murray Hill, Manhattan
- Murray LDS Second Ward Meetinghouse
- Murray Masonic Hall
- Murray Morgan Bridge
- Murray Springs Clovis Site
- Murray Street Historic District
- Murray Theater (Murray, Utah)
- Murray Theater (Richmond, Indiana)
- Murray's Mill Historic District
- Murray–Isham Farm
- Murrell Dobbins Career and Technical Education High School
- Murrell Home
- Murrells Inlet Historic District
- Murry Guggenheim House
- Murry Site
- Murton E. and Lillian DeGuire House
- Muscatine Avenue Moffitt Cottage Historic District
- Muscatine County Courthouse
- Muscatine County Fairgrounds
- Muscatine County Home Dairy Barn
- Muscle Shoals Sound Studio
- Museo de la Masacre de Ponce
- Museum District, Richmond, Virginia
- Museum Hill Historic District
- Museum for East Texas Culture
- Museum of Appalachia
- Museum of Automobiles
- Museum of Black Arkansans and Performing Arts Center
- Museum of Ceramics (East Liverpool, Ohio)
- Museum of Early Trades and Crafts
- Museum of Indian Arts and Culture
- Museum of Nebraska Art
- Museum of Newport History
- Museum of Northwest Colorado
- Museum of Regional History (Texarkana)
- Museum of Sonoma County
- Museum of the Bible
- Museum of the Southwest
- Musgrove Block
- Musgrove Evans House
- Musgrove Mill State Historic Site
- Music Hall (Clinton, New Jersey)
- Music Hall Center for the Performing Arts
- Music Hall Evangelical Lutheran Church
- Music Mountain Summer Chamber Music Festival
- Musical Fund Hall
- Musick Guard Station
- Muskegon Breakwater Light
- Muskegon Historic District
- Muskegon Pier Light
- Muskegon YMCA Building
- Muskegon station
- Musketaquid Mills
- Muskingum County Courthouse
- Muskingum River Navigation Historic District
- Musselman Cottage
- Mustang (brogan)
- Mustoe House
- Musée Culturel du Mont-Carmel
- Mutter Gottes Historic District
- Mutual Aid Union Building
- Mutual Benefit Life Insurance Company
- Mutual Ice Company Building
- Mutual Musicians' Foundation Building
- Mutual Savings Bank Building
- Muxen Building
- My Lady's Manor
- My Old Kentucky Home State Park
- Mycenae Schoolhouse
- Myer House (Dublin, Ohio)
- Myers House (Helena-West Helena, Arkansas)
- Myers House (Martinsburg, West Virginia)
- Myers Park (Charlotte)
- Myers School (Shoshone, Idaho)
- Myers School Timbered Lodge (32BI401)
- Myers and Gross Building
- Myers-Hicks Place
- Myers-Masker House
- Myers-White House
- Myler House
- Myles Standish Burial Ground
- Myles Standish Park
- Mylius–Eaton House
- Mynard Road Bridge
- Mynderse-Frederick House
- Myrene Apartment Building
- Myrick House
- Myrick's Mill
- Myrick-Palmer House
- Myrick–Yeates–Vaughan House
- Myron Angel House
- Myron Weaver House
- Myrtle Bank (Natchez, Mississippi)
- Myrtle Baptist Church Neighborhood Historic District
- Myrtle Beach Atlantic Coast Line Railroad Station
- Myrtle Grove (Easton, Maryland)
- Myrtle Grove Plantation
- Myrtle Hall Branch Library for Negroes
- Myrtle Hall Farm
- Myrtle Heights–Oak Park Historic District
- Myrtle Hill (Bath County, Kentucky)
- Myrtle Hill Cemetery
- Myrtle Hill Plantation House
- Myrtle Lawn
- Myrtle Moor
- Myrtle Street School
- Myrtles Plantation
- Mystery (log canoe)
- Mystic Bank
- Mystic Bridge Historic District
- Mystic Dam
- Mystic River Historic District
- Mystic Theatre (Marmarth, North Dakota)
- Mystic Valley Parkway
- Mystic Water Works
- Myton Presbyterian Church
- Müller House