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 Morgue and military cemetery on Angel Island, but after its closure in the early 1900s, officers would then be taken to the San Francisco National Cemetery in the Presidio of San Francisco. During Alcatraz's use as a Federal penitentiary from 1934 to 1963, deceased inmates were taken to the San Francisco County Coroner on the mainland. Alcatraz Morgue Alcatraz Morgue is the morgue on Alcatraz Island, off the coast of San Francisco, California, United States. It is located on the northwestern side of the island towards the centre, halfway between the Alcatraz Water Tower and the Dining Hall, below the side