The American Museum of Beat Art Alhambra
The Asian Art Museum of San Francisco
Autry Museum of Western Heritage Los Angeles
The Bay Area Discovery Museum Sausalito
Bolinas Museum Bolinas
The Bowers Museum of Cultural Art Santa Ana
California African American Museum Los Angeles
California Living Museum Bakersfield
The California Museum of Photography The University of California, Riverside
The California State Mining & Mineral Museum Mariposa
Chabot Space & Science Center Oakland
Coyote Point Museum Coyote Point Park, San Mateo
El Paso de Robles Area Pioneer Museum Paso Robles
The Exploratorium San Francisco
The Fine Arts Museums of San Francisco (The De Young Museum and The Legion of Honor)
Flying Leatherneck Aviation Museum Marine Corps Air Station Miramar, San Diego
The Forresthill Divide Museum Forresthill
Fort Crook Museum Fall River Mills
The Fresno Metropolitan Museum
The J. Paul Getty Museum Los Angeles
General George S. Patton Memorial Museum Chiriaco Summit
Golden State Museum (See more information at the Sacramento Museum Guide)
The Haggin Museum Stockton
The Haas-Lilienthal House San Francisco
The Hearst Castle San Simeon
The History Museums of San Jose
The Hollywood Wax Museum Los Angeles
Dr. Howe-Waffle House and Medical Museum Santa Ana
Humboldt State University Natural History Museum Arcata
The Huntington -- Library, Art Collections, and Botanical Gardens San Marino
Institute for Creation Research Museum of Creation & Earth History Santee
The Karpeles Manuscript Library Santa Barbara
Kearney Mansion Museum (Fresno City and County Historical Society, Fresno)
The Kern County Museum Bakersfield
The Lace Museum & Guild Sunnyvale
The Latino Museum of History, Art and Culture Los Angeles
The Los Angeles County Museum of Art
The Los Angeles Museum of Natural History (This page includes links to websites for three additional affiliated museums: The George C. Page Museum at the La Brea tar pits, the Petersen Automotive Museum, and the William S. Hart Ranch & Museum in Newhall.
The March Field Museum March Air Reserve Base, Riverside
The Maritime Museum of Monterey
Marshall Gold Discovery State Historic Park Coloma
The Meux Home Museum Fresno
The Mexican Museum Fort Mason, San Francisco
Mexican American Museum of Art of North America Santa Ana
The Mojave River Valley Museum Barstow
The Montgomery Gallery, Pomona College Claremont
The Museum of Art and History Santa Cruz
Museum of Contemporary Art Los Angeles
The Museum of Contemporary Art San Diego
Museum of Craft & Folk Art San Francisco
The Museum of Jurassic Technology Culver City
The Museum of the City of San Francisco
Museum of Medical History (Sierra Sacramento Valley Medical Society) Sacramento
Museum of Tolerance (at the Simon Wiesenthal Center) Los Angeles
Napa Valley Museum Yountville
The Nethercutt Collection Sylmar
The Norton Simon Museum of Art Pasadena
The Oakland Museum Oakland
Orange Empire Railway Museum Perris
The Palm Springs Desert Museum
Phoebe Hearst Museum of Anthropology University of California at Berkeley
The Placer Museums (Placer County):
The Bernhard Museum, Auburn
The Foresthill Divide Museum, Foresthill
The Gold Country Museum, Auburn
The Golden Drift Museum, Le Grand and Dutch Flat
Griffith Quarry Park, Penryn
The Placer County Museum Collection, Auburn
The Riverside Municipal Museum
Sacramento Museum Guide (Lots of museums, including some not listed here)
The San Bernardino County Museums Redlands (Main museum)
San Diego History Museums:
The Maritime Museum of San Diego
The Museum of San Diego History
The San Diego Aerospace Museum
The San Diego Railroad Museum
The Serra Museum
Villa Montezuma
San Diego: On-Line Balboa Park Museums (18 museums, including some not listed above)
The San Francisco Museum of Modern Art
The Santa Barbara Museum of Natural History
Skirball Cultural Center and Museum Los Angeles
Sweeney Art Gallery University of California, Riverside
The Tech Museum of Innovation San Jose
Travel Town Museum Los Angeles
UCLA Fowler Museum of Cultural History Los Angeles
The UC Museum of Paleontology Berkeley
USS Hornet Museum Alameda
U.S. Naval Museum of Armament & Technology Naval Air Weapons Station, China Lake
Ventura County Museum of History & Art Ventura
Western Aerospace Museum Oakland