The Old Idaho Penitentiary State Historical Site

2445 Old Penitentiary Rd.
Boise, ID 83712
208-334-2844
www.history.idaho.gov/old-idaho-penitentiary
Over 13,000 prisoners served time at the Old Idaho Penitentiary between 1872 and 1973. Today, the Idaho State Historical Society offers a video presentation, self-guided tour, and gift shop on site. Exhibits, including the J. Curtis Earl Weapons Collection, are located throughout the site.
 
See website for hours and information.