For more information, visit the Old Idaho Penitentiary's website. Self-Guided Boise Scavenger Hunt: Boise Hidden Treasures (4 reviews) Adventurous Scavenger Hunt in Boise by Operation City Quest ...

B uilt in 1870, the Old Idaho Penitentiary is one of only four territorial prisons open to the public today. During its 101 years of operation, the site saw escapes, scandals and ...