
Exploring Alcatraz —
Alcatraz operated as a U.S. penitentiary for nearly 30 years before closing in 1963. Alcatraz Island is in San Francisco Bay.

Exploring Alcatraz —
Tourists walk through the main cell block at Alcatraz Island in March 2013 as the National Park Service marked the 50th anniversary of the closure of the notorious prison.

Exploring Alcatraz —
A view of a cell at Alcatraz.

Exploring Alcatraz —
Here's a room in the former hospital at Alcatraz Island.

Exploring Alcatraz —
The former warden's house at Alcatraz Island stands in partial ruin. Alcatraz was a military fort before it became a federal penitentiary in 1934.



