"Alcatraz Island in the fog, Fishermans Wharf, San Francisco, California, United States, North America"

Cable car and Alcatraz Island, San Francisco, California, USA, North America

Lighthouse at Pier 39, San Francisco, California, USA, North America

Gefangnisinsel Alcatraz in der San Francisco Bay, San Francisco, Kalifornien, USA, Nordamerika

Sign warning of radioactive contamination on Treasure Island, an artificial island from the 1930's, used by the U. S. Navy as a training center for nuclear decontamination, San Francisco, California, USA, North America

"Alcatraz, a former prison island, San Francisco, California, USA"