Classified for credit

Museum dedicated to Johnny Cash's life and career — covers 20th-century American music history, Southern culture, and the roots of country and rockabilly.

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

Earlham College natural history museum housing dinosaur fossils, Pleistocene mammals, and geology specimens — covers paleontology, taxonomy, and Indiana natural history.

Regional children's and community museum with hands-on science and local history exhibits — supports cross-disciplinary elementary curriculum.

Remote national monument in Maine's North Woods with undeveloped trails and ranger programs covering Appalachian ecology, watershed biology, and Wabanaki history.

Kazoo Factory tour in Eden, NY — sound-physics, musical-instrument manufacturing, and a working factory floor.

Lake Erie island state park with glacial grooves, fossil beds, and migratory bird habitat — covers glacial geology, paleontology, and island ecology.

NPS-managed aquatic garden and tidal wetland — covers aquatic plant biology, migratory bird ecology, and Anacostia River watershed geography.

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

Working horse park and museum covering equine breeds, care, and the horse's role in American history — supports biology, agriculture, and cultural history.

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

Regional science center in Louisville with hands-on exhibits covering physics, biology, and technology — broad STEM curriculum support.

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

Wisconsin state forest on glacial terrain — field study in glacial geology, forest ecology, and landform identification with hiking trails and naturalist programming.

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

Children's discovery museum in Medford with hands-on exhibits covering early STEM, literacy, and imaginative play.

South gallery of the Kimbell Art Museum's Renzo Piano-designed pavilion — supports art history and architectural study through world-class permanent and traveling exhibits.

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

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.

The Contemporary Austin's Laguna Gloria lakeside campus in Austin — outdoor sculpture and rotating exhibits support visual-art and art-history study.

NPS recreation area centered on the largest US reservoir — covers arid-land ecology, hydrology, dam engineering history, and Mojave Desert geography.

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.

NPS recreation area on the reservoir created by Grand Coulee Dam — covers hydrology, regional ecology, and Columbia River history.