Classified for credit

UNESCO World Heritage Site featuring Mississippian earthen mounds occupied 700–1400 CE — pre-Columbian archaeology, Native American history, and anthropology.

NPS visitor center at a major Civil War Union supply base and USCT training site — covers African-American Civil War service and Kentucky Unionist history.

NPS Creole heritage site on the Cane River — covers French Colonial, plantation, and free Creole of color history in Louisiana's antebellum society.

Preserved 18th–19th century Shaker living-history village with working crafts and agricultural demonstrations — religious communal history and period technology.

NPS-managed home and farm of poet Carl Sandburg — integrates American literary history, biography, and sustainable goat farming on a preserved Blue Ridge homestead.

Living-history farm museum in Maryland covering 19th-century agricultural life — supports farm technology, animal husbandry, rural history, and seasonal crop science.

Hohokam prehistoric compound ruins with NPS ranger interpretation — covers pre-Columbian archaeology, agriculture, and Sonoran Desert civilizations.

NPS-managed 17th-century Spanish masonry fort — covers colonial-era military history, Spanish colonial policy, and fortification engineering.

Research-active archaeological museum at an active dig site on the Illinois River — covers Native American prehistory, field archaeology methods, and stratigraphy.

Battlefield site of the 1815 Battle of New Orleans with visitor center — covers the War of 1812 and early American military and political history.

Site of Carolina's first permanent English settlement with living-history exhibits, animal habitat, and colonial-era archaeological context.

NPS canal park with towpath trails and restored lock infrastructure — covers 19th-century civil engineering, trade history, and Potomac River ecology.

184-mile historic canal with locks, aqueducts, and mule-powered towpath — covers 19th-century transportation engineering, westward commerce, and Civil War history.

Chickasaw Nation cultural center with exhibits, storytelling, and living-history programs — covers Indigenous governance, language, and Oklahoma history.

Museum at a National Historic Landmark documenting Cherokee Nation history and the Trail of Tears — covers Indigenous rights, Georgia history, and 19th-century federal Indian policy.

Circus museum on the Ringling Bros. winter quarters — American circus history, big-top arts, and historic wagons.

Outdoor railroad museum with 100+ historic locomotives and cars — covers railroad history, steam and diesel engineering, and the role of rail in Western expansion.

Operational electric streetcar museum with rideable antique trolleys — covers transportation history and early electric traction engineering.

Revolutionary War battlefield where Morgan defeated Tarleton in 1781 — NPS ranger programs cover tactics, Patriot-British conflict, and Southern Campaign geography.

Revolutionary War battlefield where American militia defeated British forces — ranger programs cover 18th-century tactics, strategy, and Southern campaign history.

Ongoing monumental carving honoring Lakota leader Crazy Horse — Native American history, sculpture, and Black Hills geography.

National park preserving the famous mountain pass used by settlers and Civil War-era troops — covers westward expansion, Appalachian geography, and frontier history.

Frank Lloyd Wright-designed National Historic Landmark in Buffalo — covers Prairie Style architecture, early 20th-century design history, and Arts & Crafts movement.

NPS park at the Wright brothers' Dayton sites — covers early aviation engineering, invention process, and American technological history.