Classified for credit

Smithsonian-affiliated research observatory offering public tours covering astrophysics, telescope technology, and observational astronomy.

Estate home of Henry and Clara Ford featuring a hydroelectric power plant and powerhouse — covers early industrial history, automotive history, and Progressive Era engineering.

Vermont natural-history museum with working planetarium — covers astronomy, meteorology, New England natural history, and earth science through exhibits and sky shows.

Tennessee state park with one of the highest waterfalls east of the Mississippi — geology, hydrology, forest ecology, and outdoor PE.

Nature center within Fall Creek Falls State Park featuring Tennessee ecology exhibits, live animals, and interpretive programs tied to one of the Southeast's premier waterfall parks.

Tennessee state park featuring one of the highest waterfalls in the eastern US with diverse gorge ecosystems — supports geology, ecology, hydrology, and physical education.

Operational 19th-century water-powered grist mill with museum — covers mechanical engineering, water-wheel physics, grain milling processes, and Appalachian industrial history.

Ohio River fossil beds with interpretive center — covers paleontology, Devonian-era marine fossils, and river geology in a hands-on outdoor setting.

Quad Cities family museum — early literacy, math, and hands-on STEM exhibits for young children.

Boston's 18th-century meeting hall and marketplace — covers colonial and Revolutionary-era history, civic debate, and the development of American self-governance.

Working heritage farm at Shelburne Museum — covers 19th-century agricultural practices, animal husbandry, and Vermont rural history.

Lincoln Park Zoo's working farm exhibit introducing young children to farm animals, livestock care, and basic agricultural science.

Major Maine art museum with strong collection of American and Wyeth-family works — supports visual art curriculum with documented fine-art study.

Hands-on children's museum with community-role play exhibits — early literacy, numeracy, and social studies for young learners.

Educational wildlife park with hands-on interaction with native Wisconsin animals, covering mammal biology and wildlife conservation.

Ghost-town state park preserving an 1860s–1890s iron-smelting company town — covers 19th-century iron production, industrial history, and Michigan's Upper Peninsula heritage.

Site of Washington's first inauguration and early US Congress — primary-source civics, constitutional history, and the founding of federal government.

Hands-on marine life center on the Olympic Peninsula waterfront — supports Pacific marine biology, tidal ecology, and local aquatic species identification.

DeKalb County science center with a planetarium and observatory — covers astronomy, earth science, and natural history through exhibits and live programs.

Living-history village with period structures and craft demonstrations — 19th-century Tennessee rural life, pioneer skills, and Appalachian heritage.

Outdoor dinosaur park with life-size animatronic dinosaurs and interpretive signage — covers Mesozoic paleontology, fossil science, and prehistoric ecology.

Tennessee state park with rugged gorge trails — geology, forest ecology, and physical education in a natural canyon environment.

Historic estate with formal gardens and naturalistic grounds — covers horticulture, landscape design, and early 20th-century social history.

Vivid red sandstone formations in Valley of Fire State Park — supports geology, erosion, and desert ecology curriculum.