Explore Alcatraz, once the most feared penitentiary in the U.S. View the cells of infamous inmates like Al Capone and “Machine Gun” Kelly.

See more than just a prison; learn about its history as a military prison, a Civil War fort, and the site of a 19-month Indigenous occupation that reshaped Native American rights.

Use the included audio guide for added insights from the ferry ride to your return to San Francisco. Hear soundscapes, stories from inmates and rangers, and historical perspectives that give a full picture of Alcatraz's past.