For more information, visit the Old Idaho Penitentiary's website. 1 / 2 Day Whitewater Rafting Trip near Boise, ID (38 reviews) Self-Guided Boise Scavenger Hunt: Boise Hidden Treasures ...

The two-story, $21 million expansion in Boise’s East End near the Idaho Botanical Gardens and Old Penitentiary would combine all the agency’s collections now spread across several off-site ...