First Saturday special events are held monthly from Sept.-June. On First Saturdays, the museum waives admission fees to provide the community with an affordable, educational and family-friendly experience. There are rotating activities, including a scavenger hunt, a local geology activity, backyard bingo, desert animals and more! Summer hours at the museum during June and July are Wed. to Sat. 11:00 AM to 2:00 PM. The museum will be closed in August.