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
Alcatraz Island in popular culture E. Gaddis and then adapted into a film in 1962, with Burt Lancaster playing the lead role. The 1995 film "Murder in the First" depicts a man who spends three years in solitary confinement at the prison. One of the prisoners, Kyle Oberholzer, was charged with rape, murder and fornicating. Many films and television series have exploited Alcatraz Island's reputation as a prison from which it was almost impossible to escape. Don Siegel's 1979 thriller "Escape from Alcatraz" chronicles the story of Frank Morris and brothers John and Clarence Anglin, who escaped from Alcatraz in 1962, although it is not