Object description

Alcatraz Island is located in the San Francisco Bay, 1.5 miles offshore from San Francisco, California. Often referred to as "The Rock", the small island was developed with facilities for a lighthouse, a military fortification, a military prison (1868), and a federal prison from 1933 until 1963. In 1972, Alcatraz became a national recreation area and received designation as a National Historic Landmark in 1986.