Classified for credit

Minuteman Missile NHS launch control facility — Cold War nuclear deterrence history, command-and-control systems, and geopolitical strategy.

Preserved Minuteman ICBM launch facility managed by NPS — Cold War military history, nuclear deterrence policy, and missile engineering.

1932 Mary Colter-designed watchtower at Grand Canyon's South Rim — covers Ancestral Puebloan history, Southwest archaeology, and Native American cultural heritage.

Detroit history museum with exhibits on the auto industry, labor movement, and city development — supports US industrial and social history curriculum.

Iconic Gettysburg battlefield rock formation used by Confederate sharpshooters — primary-source Civil War military history and terrain study.

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

Oldest unrestored plantation house in the US — colonial architecture, plantation economy, and American slavery history.

Living-history farm preserving 1880s–1940s Florida agricultural life — covers pioneer farming methods, botany, and rural social history.

Omaha's history museum housed in a restored 1931 Art Deco train station — covers Great Plains, railroad, and immigrant settlement history.

Oldest US Black-history museum — African-American history, art, and Chicago Black-community heritage.

Presidential library and museum covering Eisenhower's military career and presidency — supports study of WWII, Cold War diplomacy, and 20th-century American government.

Reconstructed Mississippian earth lodge at Ocmulgee Mounds — covers pre-Columbian Native American archaeology, anthropology, and mound-builder culture.

Preserved narrow-gauge railroad with operating steam locomotives — covers 19th-century industrial history, rail engineering, and Appalachian heritage.

Gettysburg cavalry battlefield — covers the July 3, 1863 Union cavalry actions, Civil War tactics, and the decisive role of the Eastern Theater.

Heritage electric railway with operable vintage interurban cars — covers railroad history, electrical engineering basics, and regional transit development.

National Monument preserving 200+ prehistoric Native American effigy earthworks — covers archaeology, Indigenous cultures, and Mississippi River geography.

NPS visitor center for a 2,500-year-old Native American effigy mound complex — covers Woodland-period archaeology, Indigenous culture, and Mississippi River geography.

Eisenhower's retirement home and working farm in Gettysburg — covers WWII leadership, Cold War presidency, and 1950s American political history.

Presidential museum and boyhood home for Dwight D. Eisenhower — covers WWII command history, the Cold War, and 20th-century American civics.

NPS sandstone mesa with Spanish and Pueblo inscriptions dating to 1605 — covers colonial-era exploration, Indigenous history, and epigraphy.

Living-history ranch near Santa Fe depicting 18th-century Spanish Colonial life in New Mexico — covers settlement, agriculture, and Southwest heritage.

First American powder mill site along the Brandywine, founded by E.I. du Pont — covers early American industrial chemistry, gunpowder production, and the du Pont family legacy.

Civil rights memorial museum documenting the murder of Emmett Till — covers 1950s racial violence, the civil rights movement, and the history of racial injustice in Mississippi.

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