Classified for credit

National memorial at the site of the 1889 Johnstown Flood — covers disaster history, dam engineering failure, civil engineering, and 19th-century industrial community life.

Restored 1860 lighthouse with museum — covers maritime navigation history, Fresnel lens optics, and Florida coastal history.

Civil War battlefield with visitor center and ranger programs — Union/Confederate strategy, military history, and Reconstruction-era civics.

Civil War battlefield visitor center with ranger programs and preserved earthworks — covers 1864 Atlanta Campaign strategy and military history.

Heritage railway museum with operable steam and diesel locomotives — covers railroad history, mechanical engineering, and Kentucky transportation.

Large outdoor pioneer village and county museum in Bakersfield — covers California settlement, oil industry, and San Joaquin Valley history with 50+ structures.

National park preserving 19th-century copper mining heritage with industrial machinery, mine tours, and immigrant labor history exhibits.

Revolutionary War battlefield where Patriot militia defeated Loyalists in 1780 — primary-source military history and Southern campaign strategy.

Site of the pivotal 1780 Revolutionary War battle with living-history programming — covers American Revolution tactics, backcountry warfare, and Patriot vs. Loyalist conflict.

Living-history farm at Kings Mountain State Park with costumed interpreters demonstrating 1800s pioneer agriculture and frontier daily life.

Living-history farm demonstrating 1890s Illinois rural life with costumed interpreters — covers 19th-century agriculture, domestic skills, and pre-industrial technology.

National historical park documenting the 1897–98 Klondike Gold Rush — frontier economics, westward migration, and Alaska territorial history.

NPS site preserving earth-lodge villages of the Hidatsa and Mandan peoples — covers Plains Indian history, archaeology, and Lewis and Clark expedition context.

Working living-history coffee farm demonstrating traditional Kona cultivation — Hawaiian agricultural history, land use, and coffee processing.

Working living-history farm demonstrating early 20th-century Lowcountry SC agriculture — crop cultivation, animal husbandry, and rural Reconstruction-era social history.

Museum on Lake Champlain covering regional maritime history, underwater archaeology, and 18th–19th century shipbuilding and naval history.

Museum covering Lake Placid's 1932 and 1980 Winter Olympics — explores sports history, athletic training science, and Cold War political context of the 1980 Miracle on Ice.

Historic steam excursion railroad running along the St. Louis River — covers railroad history, steam locomotive mechanics, and Minnesota heritage.

Authentic Suzhou-style classical Chinese garden — covers Chinese history, garden architecture, and cultural traditions in a fully constructed urban setting.

Living-history village preserving Pennsylvania German rural life — covers 18th–19th century agricultural history, trades, and material culture.

Preserved home and farm of Laura Ingalls Wilder where she wrote the Little House series — connects primary-source literary history with 19th-century pioneer life.

Historic homes and sites tied to Laura Ingalls Wilder's life in De Smet — primary-source 19th-century pioneer and settlement history.

Restored Creole plantation (c. 1805) on the River Road — covers Louisiana sugar-plantation economy, enslaved labor history, and French Creole cultural heritage.

Presidential library with primary-source exhibits on LBJ's presidency, Great Society legislation, civil rights era, and Vietnam War policy.