Classified for credit

Former federal penitentiary on San Francisco Bay — covers U.S. penal history, Civil War fortifications, and island ecology via ranger-led tours.

Decommissioned WWII-era Iowa-class battleship museum in San Pedro — naval engineering, WWII history, and Cold War military strategy with extensive walk-through access.

California State Railroad Museum in Old Sacramento — Transcontinental Railroad history, locomotive engineering, and excursion-train rides.

Fleet of historic ships on San Diego Bay — covers naval history, maritime technology, and U.S. military and trade history from the 1500s to WWII.

Presidential library and museum covering Reagan's governorship, Cold War policy, and the presidency — includes Air Force One and primary-source government documents.

WWII aircraft carrier museum with preserved aircraft and flight-deck exhibits — covers naval history, aviation engineering, and the Pacific theater of World War II.

Preserved WWII aircraft carrier with 30+ restored aircraft and naval exhibits — covers Pacific theater history, military aviation, and naval engineering.

SF Bay island state park — Civil War and WWII military history plus Angel Island Immigration Station (the "Ellis Island of the West").

Large museum covering the history and culture of the American West — addresses Indigenous peoples, westward expansion, and frontier art and material culture.

Preserved 1880s gold-mining ghost town maintained in arrested decay — covers California mining history, frontier economics, and 19th-century daily life.

NPS monument marking Cabrillo's 1542 landing — covers Age of Exploration, Pacific Coast ecology, and tide pool biology.

Commemorative Air Force Southern California wing with restored WWII aircraft — aviation history, aeronautical engineering, and wartime social history.

State-funded museum documenting African American history and culture in California through permanent and rotating exhibits.

Outdoor air museum with Cold War–era military aircraft — covers 20th-century aviation history, aerospace technology, and U.S. military history.

California Gold Rush–era state historic park with preserved 1850s townsite — covers Manifest Destiny, mining history, and California statehood.

State park commemorating the Donner Party with a museum and emigrant trail remnants — covers westward migration history, survival challenges, and Sierra Nevada geography.

California State Historic Park preserving a major 19th-century hard-rock gold mine — covers Gold Rush history, mining engineering, and California economic development.

Underground garden system hand-carved by Sicilian immigrant Baldassare Forestiere — covers early-20th-century immigrant labor history and passive cooling engineering.

NPS-managed Civil War–era brick fort beneath the Golden Gate — covers coastal defense history, military engineering, and the Civil War.

Guided tours of William Randolph Hearst's estate — covers Gilded Age architecture, art collecting, California history, and media-industry history.

Living-history outdoor museum with 27 restored historic structures covering San Jose from 1777 to 1930 — primary-source California and Silicon Valley history.

Exhibition hall at the Huntington Library displaying rare manuscripts, historical documents, and fine-art collections spanning several centuries.

NPS historic site preserving John Muir's home and orchard — covers the history of American conservation, naturalism, and the national parks movement.

Large outdoor pioneer village and county museum in Bakersfield — covers California settlement, oil industry, and San Joaquin Valley history with 50+ structures.