Classified for credit

National cemetery and NPS visitor center at Gettysburg — covers Civil War military history, Lincoln's Gettysburg Address, and memorialization.

Civil War battlefield with NPS visitor center, cyclorama, and ranger-led programs — covers military strategy, the turning point of the war, and Reconstruction.

NPS visitor center for the decisive Civil War battle — covers military strategy, Union-Confederate political causes, and Reconstruction through films, cyclorama, and artifacts.

Heritage excursion railroad through the Nantahala Gorge — covers Appalachian railroad history, mountain geography, and the role of rail in regional development.

Living-history village with 80+ historic structures and working demonstrations — covers American industrial history, innovation, and daily life from colonial through early 20th century.

Operating heritage railway museum with 500+ artifacts — covers railroad engineering history, industrial America, and the role of rail in national development.

UNESCO World Heritage Site where the Declaration of Independence and Constitution were debated and adopted — primary-source American founding history and civics.

NPS-managed park preserving Independence Hall, Liberty Bell, and core sites of American founding — primary-source Constitutional history.

Museum on the former Gadsden's Wharf slave-trade site — covers African diaspora history, the transatlantic slave trade, and African American contributions to US history.

Museum at the Woolworth lunch counter sit-in site — covers the Civil Rights Movement, nonviolent protest, and 20th-century American social history.

Comprehensive WWII artifact and document museum — covers global military history, the Holocaust, and the political geography of the Second World War.

Immersive museum covering Cold War and modern intelligence operations — addresses 20th-century history, cryptography, surveillance technology, and geopolitics.

Living-history museum recreating the 1607 English settlement, Powhatan village, and colonial ships — covers early American colonization and Anglo-Algonquian contact.

World's largest library with free public exhibitions — covers constitutional history, literacy, preservation, and the history of American democracy.

National memorial and primary-source site on the National Mall — covers Lincoln's presidency, the Civil War, and Reconstruction-era American history.

Presidential library and museum dedicated to Lincoln — covers Civil War, abolition, and 19th-century American politics.

Living-history farm complex spanning 1700–1900 with costumed interpreters — covers agricultural history, frontier settlement, and pre-industrial technology.

Preserved 1863–1935 Lower East Side tenement with guided tours — primary-source immigration history, urban poverty, and turn-of-century American social conditions.

NPS-managed Civil War battlefield (First and Second Bull Run) with visitor center, ranger programs, and preserved earthworks.

Battleship Cove maritime museum with USS Massachusetts, a destroyer, and submarine — WWII naval history, ship engineering, and 20th-century military technology.

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.

Full-scale reproduction of the 1620 Pilgrim ship with costumed interpreters — covers colonial-era navigation, transatlantic exploration, and Pilgrim history.

UNESCO World Heritage cliff dwellings — covers Ancestral Puebloan archaeology, Southwest Native American history, and cultural geography.

Ancestral Puebloan cliff dwellings at a UNESCO World Heritage Site — covers pre-Columbian archaeology, Native American history, and Colorado Plateau geography.