Paranormal Investigation – October 24, 2026

Join Big River Paranormal as they use their unique equipment and knowledge to attempt to connect with prisoners and guards of the past.

This event is FREE to Idaho State Historical Society Members! Interested in becoming a Member? Visit history.idaho.gov/membership for more information.

ISHS Member Registration opens Tuesday, September 1 at 10:00 am. Public Registration starts Monday, September 7 (Labor Day) at 10:00 am.

Event: Saturday, October 24, Arrive at 9:00 pm, Doors open at 9:15 pm. Admission is $45 per person and limited to only 50 participants. All guests must be at least 18 years old (Photo ID required at the door).

Note: Please print or save your receipt confirmation for use as your event admission ticket. Old Idaho Penitentiary event tickets are nonrefundable and non-transferable.

Part of the Old Idaho Penitentiary’s 2026 Locktober series of events!