Classified for credit

Formal gardens and historic estate on the Mobile Bay delta — covers horticulture, plant taxonomy, landscape design history, and Gulf Coast ecosystem ecology.

Ben & Jerry's factory tour in Waterbury — covers dairy processing, food science, and manufacturing from raw ingredients to packaged product.

Amherst College natural history museum housing vertebrate paleontology and geology collections including significant dinosaur fossil specimens.

Missouri state park centered on a natural spring and trout hatchery — covers freshwater ecology, fish biology, and karst spring hydrology.

Reconstructed 1840s adobe fur-trade fort on the Santa Fe Trail with living-history interpreters covering westward expansion, trade economy, and Plains cultures.

Full-dome digital planetarium at Tellus Science Museum — covers astronomy, celestial mechanics, and the scale of the solar system through immersive projection shows.

Reconstructed 1840s adobe fur-trade fort on the Santa Fe Trail — mountain man culture, westward expansion, and US–Mexico trade history.

County zoo with diverse animal collection — covers zoology, animal adaptations, and wildlife conservation for younger students.

Major university art museum with rotating contemporary and historical collections plus a film archive for media literacy study.

Nevada state park preserving in-situ ichthyosaur fossils — covers Triassic paleontology, geological time, and marine-reptile anatomy.

14,000-acre privately owned forest and arboretum in Kentucky with labeled tree collections, trails, and a nature center — covers dendrology, forest ecology, and conservation biology.

Large-scale animal sanctuary in Utah canyon country — covers animal welfare, companion and exotic animal biology, and conservation ethics.

Hands-on children's museum with interactive exhibits in literacy, health, and basic science concepts.

Oregon Coast state park with beach access, tidal zones, and forest trails — covers intertidal ecology, coastal geology, and Pacific Northwest habitats.

California old-growth coastal redwood park — covers conifer biology, forest ecology, fire ecology, and the geography of temperate rainforests.

Alpine zoo specializing in injured and non-releasable native wildlife — covers wildlife rehabilitation, ecology, and California mountain species.

Dark-sky observatory near Big Bend offering public stargazing — covers telescope optics, celestial mechanics, and light-pollution science.

Remote Texas state park covering Chihuahuan Desert geology, riparian ecology, and Big Bend geography across 300,000 acres of undeveloped terrain.

State site preserving Pleistocene megafauna fossil deposits — paleontology, Ice Age ecology, and early human interaction with extinct species.

Museum at a Pleistocene fossil salt lick site — covers paleontology, ice-age megafauna, and the geological history of the Ohio Valley.

700,000-acre subtropical wilderness preserve — covers wetland ecology, cypress ecosystems, wildlife biology, and South Florida hydrology.

1877 Nez Perce War battlefield with visitor center and ranger programs — covers Native American history, westward expansion, and U.S. military policy.

Wooded hill on the Gettysburg battlefield where Union forces anchored the left flank on July 2, 1863 — supports tactical Civil War history and terrain-based geography.

Working wolf ranch offering guided encounters with wolf packs — applied zoology, predator ecology, and animal behavior observation.