4. The Las Vegas Natural History Museum is celebrating its 30th anniversary starting July 10. July’s family-friendly anniversary party from 10 a.m. to 2 p.m. features ancient Egyptian-themed science demonstrations, activities, crafts, and critters – plus free ice cream sandwiches while supplies last. All museum guests will receive half-price admission, and those dressed in their best ancient Egyptian fashion will receive free admission. Children ages 2 and younger will also receive free admission.