There are more than two million objects in OMCA’s collection. The Art collection features over 90,000 works of art by artists from California or who were strongly influenced by time spent in the state. The History collection consists of nearly two million items that represent and document California’s peoples and their histories from the original Indigenous inhabitants to the multicultural population of the 21st century. The Natural Sciences collection comprises more than 100,000 specimens, artifacts, sounds, and photographs focused on the native species, ecosystems, and geology of California.