Classified for credit

Overlook trail in Hawks Nest State Park above the New River Gorge — covers Appalachian geology, river valley geography, and forest ecology.

Small Cape Cod state park with wooded trails and kettle ponds — supports glacial geology, freshwater ecology, and outdoor PE in a coastal forest setting.

Missouri state-park campground in Hawn SP — Ozark forest ecology, sandstone geology, and developed trails.

Private nature sanctuary and arboretum with guided educational programs — tree identification, native plant ecology, and conservation stewardship.

Local nature center in Elgin with trails and wildlife habitat — native ecology, species identification, and outdoor education.

166-acre arboretum with labeled tree collections and nature trails supporting dendrology, botany, and forest ecology study.

Indiana arboretum with labeled native and non-native tree collections — dendrology, plant ecology, and temperate forest biology.

Virginia state park in the Allegheny Highlands — covers highland forest ecology, watershed biology, and Appalachian geography through trails.

Connecticut state park with forest trails and a summit view — supports ecology, geology, and physical education curriculum.

Japanese-style public garden with koi ponds and native plantings — supports ethnobotany, cultural geography, and landscape design studies.

State park visitor center on the Cumberland Plateau covering regional geology, forest ecology, and native wildlife.

Lake Erie shoreline state park with freshwater beach, dune ecology, and seasonal migratory bird concentrations — Great Lakes geography and ecology.

Nature center in Wisconsin's northwoods — supports ecology, local wildlife study, and environmental science in a forested outdoor learning setting.

Boardwalk trail through Oakland Nature Preserve wetlands and uplands — Florida wetland ecology, native wildlife observation, and conservation biology.

Tropical and subtropical botanical garden with Japanese garden and bonsai collection — covers plant taxonomy, horticulture, and world biomes.

Working farm and petting zoo in the Shenandoah Valley — supports animal husbandry, basic biology, and agricultural science for young learners.

Managed wetland reserve with boardwalk trails and native habitat restoration — supports wetland ecology, bird identification, and watershed biology.

Working demonstration farm at Stamford's Bartlett Arboretum complex — covers agricultural science, animal husbandry, and seasonal crop cycles.

Iowa nature center with trails and natural-history programming — covers local ecology, wildlife biology, and watershed science.

Hawaiian state park protecting a historic fishpond and estuary — covers native Hawaiian aquaculture, wetland ecology, and indigenous land-use practices.

State fish and wildlife area on a cooling lake — covers freshwater ecology, waterfowl biology, and fisheries management.

Coastal wetland WMA on Delaware Bay — shorebird migration, estuarine ecology, and waterfowl habitat management in a working wildlife area.

Visitor center at Helen Hunt Falls in Cheyenne Canyon — covers watershed geology, Rocky Mountain ecology, and Colorado Springs natural history.

Suburban nature center with trails and wildlife habitat programs — covers local flora and fauna, forest ecology, and environmental stewardship.