Mentioned by Attractions of America
Top 10 Tourist Attractions in Boise, Idaho
"Once home to a number of notorious Idaho criminals, the Old Idaho Penitentiary dates back to the 1870s. For those who enjoy learning more about criminal history and the history of the prison system, this is a must see attraction as it provides a wealth of information as well as a fascinating experience. You can take a tour of the penitentiary and take a look at the cells and the solitary confinement area amongst other things."