The Old Idaho Penitentiary is hosting a car show, presented by the Gem State Early Ford V-8 Club. Come see decades of Ford automobiles in the historic prison. There will be photo ops, raffle drawings, Rio Grande Taco Truck and Ben & Jerry's Ice Cream, car awards and more! The event is from 12-5pm (last admission 4:15). All ages welcome; $6 for adults and $3 for children (6-12).