The Hart Museum remains closed. Los Angeles County has approved a plan to transfer the William S. Hart Museum and Park from the County to the City of Santa Clarita.

Dino Fest Discussion

Jurassic Giants: The Largest Organisms on the Morrison Formation Floodplain and the Sauropods That Ate Them

Two portrait photographs next to a green dinosaur against a pink background

For over a century, the Natural History Museum of Los Angeles County has inspired people from the local community and visitors from all over the world to study prehistoric fossils. Dinosaurs are just some of the fossils that make up the Museum’s paleontology collections of over 12 million specimens, the largest on the West Coast!