Classified for credit

Massachusetts state park centered on the Sudbury Reservoir watershed — supports ecology, water systems, and outdoor physical education through trail use.

Formal display garden at Thanksgiving Point featuring themed garden rooms — supports basic horticulture and landscape design observation.

Rail-trail state park through Idaho's Teton Valley — trail geography, riparian ecology, and non-motorized recreation across agricultural and mountain terrain.

Asia habitat section of ZooTampa at Lowry Park — Asian wildlife conservation, animal biology, and comparative geography.

Audubon Society of Rhode Island environmental education center with trails and wildlife habitat — covers ecology, local species, and conservation.

National wildlife refuge with trails through wetlands and upland forest — covers freshwater ecology, migratory bird habitat, and watershed biology.

State wildlife management area with wetlands, grasslands, and waterfowl habitat — supports bird biology, wetland ecology, and conservation-management study.

Working farm with animals and crop production — covers agricultural science, ecology, and rural economics in a hands-on outdoor setting.

Federally managed wetland refuge in the Atchafalaya Basin — covers freshwater ecology, migratory birds, and Louisiana bayou conservation.

Satellite location of Atlanta Botanical Garden featuring curated plant collections — supports botany, ecology, and plant-life-cycle study.

Northern Virginia botanical garden with themed gardens and seasonal programming supporting plant biology, horticulture, and ecology study.

Mass Audubon wildlife sanctuary with wetlands and upland trails — supports ecology, wetland biology, and bird identification.

Federal wildlife refuge for the critically endangered Attwater's prairie chicken — covers endangered species biology, prairie ecology, and conservation science.

Delaware state park with forested trails along Red Clay Creek — covers riparian ecology, native plant identification, and watershed geography.

West Virginia state park along the Buckhannon River — stream ecology, Appalachian forest biology, and geological features of the Allegheny Plateau.

West Virginia state park campground along the Buckhannon River — supports stream ecology, forest biology, and outdoor physical education in an Appalachian setting.

Audubon Society nature sanctuary with trails along South Chickamauga Creek — covers bird identification, riparian ecology, and native plant biology.

Migratory bird sanctuary on Dauphin Island — ornithology, bird banding, and coastal ecology in a nationally significant stopover habitat.

Audubon Society wildlife refuge with ponds, meadows, and forest trails — covers southern New England ecology, bird identification, and conservation biology.

Audubon-managed wetland visitor center on the Mississippi River — migratory bird ecology, riparian habitat, and conservation biology.

Audubon-managed river bend preserve with guided programs covering freshwater ecology, birding, and watershed conservation along the Pomperaug River.

Audubon Society wildlife refuge with trails — supports bird identification, habitat ecology, and conservation biology study.

Audubon coastal wildlife refuge in Tiverton — covers migratory bird ecology, salt-marsh biology, and Rhode Island coastal conservation.

Audubon-managed woodland garden sanctuary — native plant ecology, bird habitat conservation, and Connecticut woodland biology.