Alcatraz Federal Penitentiary
Island
United States Penitentiary, Alcatraz Island, also known simply as Alcatraz or The Rock, was a maximum security federal prison on Alcatraz Island, 1.25 miles off the coast of San Francisco, California, United States. Wikipedia
Closed: March 21, 1963
Opened: August 11, 1934
Capacity: 312
Coordinates: 37°49′36″N 122°25′23″W / 37.82667°N 122.42306°W
Security class: Maximum
Status: Closed (now a museum)