Welcome to the Natural History museum of the Inland Empire!
Visit the Western Science Center, home of the Pacific Mastodon, in Hemet, CA! Opened in 2006, we are one of the largest natural history museums in Riverside County and serve California’s Inland Empire and beyond. Join us as we discover the past, explore the present, and promote a more sustainable future while preserving our region’s ancient history.
UPCOMING EVENTS
Join us as we celebrate International Archaeology Day with hands-on archaeology themed activities, flint knapping demonstrations, and a museum scavenger hunt - all included in your paid admission!
Dive into the wild world of snails - from land to sea, learn all about these fascinating creatures in our new exhibit Life in the Slow Lane, opening October 25th, 2025!
Celebrate National Bison Day with us while seeing the fossils of ancient bison that roamed this area or see if you can discover a new dinosaur while finding out what paleontologists do.