Classified for credit

NPS trail commemorating the 1965 Voting Rights marches — covers Civil Rights Movement, constitutional law, and the legislative history of the Voting Rights Act.

Museum and education center on Seminary Ridge at Gettysburg — covers the July 1 battle, Lutheran seminary wartime use, and the broader Gettysburg campaign.

Texas state park protecting ancient Pecos River rock art (pictographs) — covers Native American prehistory, archaeology, and canyon ecology.

Pittsburgh's flagship history museum covering Western Pennsylvania industrial and immigration history — supports labor history, regional civics, and American social studies.

Ancient Native American effigy mound in the shape of a serpent — covers pre-Columbian archaeology, indigenous astronomy, and Ohio Valley cultures.

Ancient Native American effigy mound in the shape of a serpent — covers prehistoric archaeology, Adena/Fort Ancient culture, and Ohio earthwork construction methods.

Restored Shaker settlement with living-history interpreters — covers 19th-century communal society, craftsmanship, theology, and American social history.

Pioneer Arizona heritage campus with historic buildings and archives — covers territorial-era Arizona history, women's history, and Southwest settlement.

Large Vermont folk-art and Americana museum with 39 buildings — covers decorative arts, American material culture, and Vermont social history.

NPS visitor center at the Shiloh Civil War battlefield offers ranger-led programs, primary-source military history, and campaign-strategy study.

NPS Civil War battlefield with visitor center, museum, and ranger-led programs covering the 1862 battle and its significance to the Western Theater campaign.

Tour operator and museum at Shiloh covering the 1862 Civil War battle, military strategy, and the Western Theater campaign.

Living-history village with 14 restored 19th-century structures and costumed interpreters — covers Missouri pioneer life, frontier trades, and pre-Civil War social history.

Museum dedicated to WWII Waco glider operations and silent-flight military aviation — covers aeronautical engineering, airborne tactics, and the European theater of operations.

NPS site preserving the 1804 Tlingit–Russian battle site with totem poles and rainforest trails — covers Alaska Native history, Russian colonialism, and Pacific Northwest ecology.

Living-history farm operated as an 1880s working farmstead — covers 19th-century agriculture, animal husbandry, domestic arts, and Ohio rural history.

Living-history farm at Atlanta History Center — 19th-century agricultural practices, heirloom crops, and rural Southern settlement history.

Smithsonian Institution's historic founding building — covers the history of American science, federal museum-building, and James Smithson's legacy.

Smithsonian museum tracing U.S. postal history — covers communication systems, government infrastructure, and American social history.

Civil War battlefield corridor along South Mountain with preserved 1862 battle sites — covers the Antietam Campaign, military geography, and Appalachian ecology.

Preserved 1880s South Park mining town with 40+ original buildings — living-history site covering Colorado frontier settlement, mining economy, and pioneer daily life.

Seaport museum on historic ships and 19th-century maritime commerce — covers nautical history, trade economics, and sailing technology.

Historic Ambrose lightship and seaport exhibits at Pier 17 — covers maritime trade history, navigation, and New York Harbor commerce.

Outdoor railway museum with historic locomotives and rolling stock covering the history of American rail transportation and industrial engineering.