Discover some treasures and have some fun during the state’s original 100-mile rummage sale event, the Highway 21 Treasure Hunt, June 15- 16. The Highway 21 Treasure Hunt will be held from 8:00 a.m. to 5:00 p.m. MT Friday and Saturday, June 15-16. “With approximately 100 rummage sales along the 100-mile route,