Classified for credit

Preserve-style nature center with trails and naturalist programming — ecology, native plant identification, and wildlife observation.

Balcones Canyonlands NWR unit with limestone habitat trails — Texas Hill Country ecology, karst geology, and golden-cheeked warbler conservation biology.

Audubon-operated nature center with cedar elm forest and creek habitats — covers Texas bird ecology, native species identification, and conservation.

IA state park on the Des Moines River — riparian ecology, sandstone bluffs, and hiking.

Georgia state park on Lake Lanier with trails and shoreline habitat — supports freshwater ecology, local flora/fauna, and outdoor PE.

Major federal wildlife refuge protecting San Francisco Bay wetlands — migratory bird biology, estuarine ecology, and Bay Area watershed geography.

Federal wildlife refuge education center on San Francisco Bay — covers wetland ecology, migratory bird biology, and Bay Area estuary conservation.

Barrier island state park accessible by ferry near Placida, FL — covers coastal ecology, Gulf barrier island geology, and marine biology.

Missouri state park with sandstone glades and forested ravines — covers Ozark geology, native plant ecology, and watershed biology.

Auburn University arboretum with labeled native and exotic tree collections supporting dendrology and plant taxonomy study.

Managed wetland and upland habitat in the ACE Basin — waterfowl ecology, coastal biology, and wildlife management practices.

Municipal botanical garden with themed beds and native-plant collections — supports plant taxonomy, horticulture, and ecology.

Working deer ranch offering close-up observation of white-tailed deer — applied zoology, animal behavior, and Pennsylvania wildlife ecology.

Pine Barrens state park with a historic 19th-century cranberry and lumber village — covers NJ coastal plain ecology, wetland hydrology, and industrial heritage.

State forest with mixed hardwood and pine ecosystems, self-guided trails, and a reservoir — supports forest ecology, botany, and physical education units.

Community nature center in Mattoon with trails and native-habitat exhibits — covers Illinois ecology, native plants, and wildlife biology.

Virginia state park with mountain trails, a stocked lake, and wildlife — covers Appalachian ecology, hydrology, and outdoor physical education.

Dow Gardens conservatory with tropical and temperate plant collections — covers plant taxonomy, botany, and horticultural ecology.

Developed Missouri state park with forested trails and ranger programs — covers Ozark woodland ecology, native flora/fauna, and outdoor physical education.

Undeveloped barrier-island state park with undisturbed gulf beach and pine flatwoods — covers coastal ecology, bird migration, and gulf geology.

Native plant nursery and habitat garden at the Morton Arboretum campus — supports study of native Illinois plant species, pollinator ecology, and restoration botany.

Community nature center with trails and wildlife habitat along the Clinton River — habitat ecology, native species identification, and outdoor PE.

SC state park on Lake Murray with fishing, hiking, and shoreline access — covers freshwater ecology, Southeast geography, and outdoor recreation science.

Wetlands education center at the edge of the Driftless Area — covers wetland ecology, migratory birds, and regional hydrology.