Classified for credit

Cultural center documenting African American history and heritage in Howard County — supports civil rights history and social studies.

NPS Hubbell Trading Post in Ganado, AZ — living-history site covering Navajo Nation trade, culture, and Southwest heritage.

Still-operating 1878 Navajo Nation trading post — NPS site covering Navajo culture, Southwest trade history, and the federal trading-post system.

Restored 17th-century Connecticut saltbox home offering guided tours of colonial-era domestic life and early New England settlement.

Museum at the historic I&M Canal covering 19th-century civil engineering, waterway commerce, and the canal's role in connecting the Great Lakes to the Mississippi.

Museum on historic Route 66 tracing the history of Illinois rock and roll music and its cultural impact from the 1950s to the present.

Illinois National Guard museum with military vehicles, weapons, and artifacts spanning the Civil War through modern era — state and national military history.

Riverside Pennsylvania museum preserving Native American stone carvings and artifacts — covers Indigenous history and Susquehanna Valley archaeology.

Museum preserving Indianapolis firefighting history with vintage apparatus and equipment — covers public-safety history and early 20th-century technology.

U.S. Department of the Interior museum covering federal land management, Native American affairs, and conservation history.

Museum exploring Islamic civilizations' contributions to science, art, and world history — supports world history, geography, and social studies curriculum.

Museum exploring the 1947 Roswell incident and history of UFO claims — covers Cold War history, government documentation, and scientific skepticism.

Museum at Burke Lakefront Airport dedicated to women in aviation and space — covers aerospace history, gender history in STEM, and flight science.

NPS-operated center in Utqiaġvik preserving and interpreting Iñupiat Arctic culture, language, and subsistence traditions.

Museum documenting Great Lakes maritime heritage in Iowa's lakeside region — covers freshwater navigation, boat engineering, and regional water history.

Museum documenting Irish immigrant laborers who built the B&O Railroad — immigration history, labor history, and 19th-century industrial America.

Italian American Museum in Little Italy covers Italian immigration history and cultural contributions — immigration history, ethnic studies, and social studies.

Veterans museum in Minnesota dedicated to prisoners of war and those missing in action — WWII through Vietnam military history.

Preserved Chesapeake Bay oyster-packing house covering the history of the oystering industry, aquaculture, and Tidewater regional economy.

Museum dedicated to Jackie Robinson's life covering civil rights history, racial integration in professional sports, and 20th-century American social change.

Newton, MA historic home that served as an Underground Railroad station — covers abolition, Civil War, and Massachusetts civic history.

NPS site preserving President Garfield's home — covers Gilded Age politics, 19th-century presidential history, and the assassination's impact on Secret Service.

Museum honoring Vice Admiral James Stockdale — covers Vietnam War, Medal of Honor history, and Stoic philosophy in military ethics.

Small California Gold Rush-era museum in a historic Sierra Nevada town covering mining history, 49er culture, and early California statehood.