Whether you’re a history buff or not, it’s easy to see why the Old Idaho Penitentiary draws a regular crowd of visitors. When it first began operating in 1872 and throughout its 101-year history as Idaho’s state prison, it was home to some of the West’s most notorious criminals. Its infamous inhabitants included the man dubbed “Idaho’s Jack the Ripper,” the assassin of Idaho’s fourth governor, and even an alleged member of Butch Cassidy’s nefarious gang.
Built of sandstone from the nearby quarry by prisoners’ labor, the Old Pen building is a unique and fascinating sight. It finally closed its doors in December of 1973 after two destructive prisoner riots, and today, the cells, solitary confinement quarters, and gallows room still stand as a
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