Classified for credit

Museum in Roseville, CA dedicated to the history and culture of the Maidu people — covers California Indigenous history, archaeology, and cultural studies.

Museum in Novato preserving Coast Miwok and broader California Native American history through artifacts and cultural exhibits.

Museum inside the landmark Mission Inn Hotel covering Riverside's architectural, cultural, and early California history.

Spanish colonial mission founded in 1782 with museum exhibits on Chumash culture, Catholic missions, and California's Spanish-era history.

One of 21 California Spanish missions — covers Colonial-era California history, Indigenous cultures, and Spanish settlement.

Active 1804 California mission with museum — covers Spanish colonial history, Indigenous Chumash culture, and the California mission system.

Museum at California's southernmost mission — covers Spanish colonization, Californio culture, and 18th-century mission system history.

Museum in San Francisco's Fort Mason dedicated to Italian-American art, culture, and immigration history in California.

Combined art and history museum covering Santa Cruz County heritage — regional California history alongside visual arts collections.

San Francisco museum exploring the history and culture of the African diaspora through art and artifacts — supports African history, social studies, and multicultural studies.

County history museum in Ventura, CA, with collections spanning Chumash culture, Spanish mission era, and Ventura County development.

Museum at the site of California's largest mercury mine — covers mining history, quicksilver chemistry, and 19th-century industrial labor.

Museum in Niles, CA dedicated to the silent-film era and Essanay Studios — covers early cinema history, technology, and American popular culture.

Mining-history museum (likely Grass Valley area) covering California Gold Rush era hard-rock mining techniques and industrial heritage.

Air Force base heritage museum with aircraft and military artifacts — covers Cold War aviation history and aerospace technology development.

Restored adobe hacienda in Oakland covering Spanish and Mexican California land-grant history — primary-source colonial and rancho-era social history.

Placer County history museum in Auburn's historic courthouse — covers Gold Rush, mining, and Northern California settlement history.

National memorial to the 1944 Port Chicago munitions explosion — covers WWII home-front history, racial segregation in the military, and labor civil rights.

Preserved 19th-century California rancho that inspired Helen Hunt Jackson's Ramona — covers Spanish/Mexican land-grant history and California statehood era.

Historic 1790s rancho in Long Beach with preserved adobe structures, working gardens, and exhibits on Spanish, Mexican, and American ranching eras.

Visitor and education center documenting Ronald Reagan's life and presidency — covers Cold War history, conservative political movement, and 20th-century U.S. policy.

NPS site documenting WWII civilian war production and the Home Front experience — covers labor history, industrial mobilization, and women's roles in wartime.

Museum in Barstow dedicated to Route 66 history — covers 20th-century American transportation, westward migration, and roadside culture.

Museum and visitor center documenting the Salton Sea's formation, ecological changes, and Southern California water history.