#GEMAD Member – Tucson Gem, Mineral & Fossil Showcase 2024. Red Roof Inn Tucson Downtown – University, Tucson, Arizona. The American Indian Arts & Collectibles show is open daily from 9 am to 5 pm. The show is located at the Red Roof Inn Tucson Downtown – University, 1300 N. Stone Ave., Tucson, Arizona. This show has free parking and free admission.