South Pass City Gold Rush Days. Pan for gold, see historic exhibits and gold mining demonstrations, Pony Express reenactments, a vintage baseball tournament, live saloon music and the anvil blasting at the Price Street Bridge every hour on the hour. Tours of the Carissa Mine & Mill 1-3pm. Grand Opening of the 5-mile Interpretive Trails. Bake Sale and food. A fireworks display on Sat. at 10pm Check the website for schedule.