Today, Alcatraz is one of San Francisco’s most popular tourist hotspots. But before throngs of people were safely guided through its halls without reason to fear, it was home to some of the nation’s most dangerous criminals. This infographic, created by Home Security Team, outlines the history of Alcatraz, also known as Uncle Sam’s Devil’s Island. The infographic explains the island prison’s history and lists some of its most notorious inhabitants. It also notes some of the prison’s most newsworthy events, including the Battle of Alcatraz in 1946. Finally, the infographic notes how the prison eventually closed and eventually became a national park.