Template:POTD/2011-03-27
A panoramic view of Fort Mason Center, part of the Fort Mason complex in San Francisco, California, US, with Russian Hill in the background (behind the sailboat). Fort Mason served as a U.S. Army post for more than 100 years, initially as a coastal defense site and subsequently as a military port facility until 1965. It is currently registered as a National Historic Landmark district.Photo: Mila Zinkova