Billings has so much to offer! The Pictograph Caves sound fascinating—imagine stepping back in time to see ancient cave art. Have you visited there before, or is it on your list? https://sites.google.com/d/1_pzDUOF4t28TuHoiBu77FFjI-AI1SF8U/p/1BW6PKyq7_cXc6CgAD8n_BHHqPw17e5Qb/edit