Join us for a fabulous time cracking geodes at the Idaho Museum of Mining and Geology (IMMG), 2455 Old Penitentiary Rd. Boise 83712.   Be amazed at the surprise inside. Admission: Adult Non-members of the IMMG-$10, Children-$5 Every registered child receives one small geode at no cost! Adult IMMG Members & their children—Free admission Best price […]