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Icon of the lower 48 and tick marks by fives in the background. The Big Lockup Mass Incarceration in the United States.
Icon for The Big Lockup: Mass Incarceration in the United States. Maya Rodriguez NPS.

On Alcatraz Island, visitors learn its history and hear the voices of former residents. Yet the significance of Alcatraz also lies in its connection to contemporary issues of criminal justice. The Big Lockup: Mass Incarceration in the United States provides opportunities for visitors to explore issues around mass incarceration and race in the United States within the context of Alcatraz island as a military prison and federal penitentiary. The exhibit invites you to learn and then form and express your own opinions related to the following questions:

Why does our country incarcerate more people than any other independent democracy in the world ? Why are people of color incarcerated at a higher rate? What is the impact on individuals, families and communities? How is this system changing and what are the alternatives?

 

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Last updated: November 21, 2025

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Alcatraz Island
Golden Gate National Recreation Area
201 Fort Mason

San Francisco, CA 94123

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415-561-4900
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