San Francisco Bay is the artificial and flat Treasure Island, site of the 1939 Golden Gate International Exposition. From the Second World War until the 1990s, both islands served as military bases and are now being redeveloped. Isolated in the center of the Bay is Alcatraz, the site of the famous federal penitentiary. The federal prison on Alcatraz Island no longer functions, but the complex is a popular tourist site. Despite its name, Mare Island in the northern part of the bay is a peninsula rather than an island. San Francisco Bay is thought to represent a down-warping of the Earth's crust between
Legends of Alcatraz their refuge. "The Washington Post" has also claimed that Alcatraz is a place "where visitors can sense the dread of past inhabitants still trapped in the atmosphere." "New York Magazine" has said that although the penitentiary hasn't been operational since 1963, it "remains ultra sinister, perversely fascinating, iconic." A documentary "Haunted Alcatraz", broadcast on the Travel Channel, has said "there is little question that Alcatraz holds a particular place in our collective imagination, consistently evoking feeling, stirring and dark" and that the "power of the island" still captivates visitors after departure. A 1995 book included Alcatraz as one of "The