Fort Mason, in San Francisco, California is a former United States Army post located in the northern Marina District, alongside San Francisco Bay. Fort Mason served as an Army post for more than 100 y
Fort Mason in 2025
Fort Mason Center (foreground), with the Oakland hills visible to the left, and San Francisco's Russian Hill neighborhood visible to the right.
U.S. Army transports berthed at the U.S. Army Transport Service docks at Fort Mason, CA, about 1929.
The SS Jeremiah O'Brien, a World War II era Liberty ship, at Fort Mason.
Angel Island is an island in San Francisco Bay. The entire island is included within Angel Island State Park, administered by California State Parks. The island, a California Historical Landmark, has
Aerial view of Angel Island in 2019
Raccoon Strait with Angel Island at right
Folded glaucophane-rich metasedimentary rocks on Kayak Beach, Angel Island
Ayala Cove, Angel Island. Juan de Ayala anchored here in 1775. The cove is the current site of the Angel Island Ferry landing.