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Alcatraz Historic Preservation Projects
Between 2011 and 2013, we are spending significant resources to make improvements to both the visitor experience and also to preserve the many historic buildings on the island. More »
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Did You Know?
In 1909 the U.S. Army began construction on the largest reinforced concrete structure in the world - a new military prison necessary because of a large influx of U.S. soldiers convicted of crimes in the Philippines. This building would become the famous U.S. Penitentiary Alcatraz in 1934.