Classified for credit

Recreation area below Lucky Peak Dam on the Boise River — river hydrology, riparian ecology, and Idaho geography field study.

State park on a reservoir with interpretive opportunities in geology, hydrology, and Idaho high-desert ecology.

Reservoir state park unit on the Boise River — supports lessons in freshwater ecology, hydrology, and outdoor recreation.

Idaho state park on the Lucky Peak reservoir offering hiking, geology observation, and high-desert riparian ecology.

Working pick-your-own farm with orchards and seasonal crops — covers plant biology, agricultural cycles, and local food systems.

Blackwater river state park with paddling and hiking — covers riparian ecology, freshwater biology, and southeastern coastal plain geography.

Blackwater river segment of Lumber River State Park with exposed chalk bank geology — riparian ecology, sedimentary geology, and NC Coastal Plain natural history.

Nature center at Lums Pond State Park on Delaware's largest freshwater pond — covers freshwater ecology, local wildlife, and wetland biology.

Delaware's largest freshwater pond state park with ranger programs covering freshwater ecology, wildlife, and wetland habitats.

Delaware's largest freshwater pond state park with trails, paddling, and forest ecology — supports biology, hydrology, and outdoor PE objectives.

Game farm with live exotic and native animals — covers wildlife biology, animal adaptations, and conservation.

Small private zoo with exotic and domestic animals — covers basic zoology, animal behavior, and conservation awareness for younger children.

Small zoo housing rescued and non-releasable exotic and native animals — supports zoology, animal welfare ethics, and wildlife conservation concepts.

City botanical garden in Peoria with themed plant collections — supports plant biology, taxonomy, and seasonal ecology.

Farm animal sanctuary in Erie, CO — supports animal welfare ethics, domestic animal biology, and compassionate stewardship concepts for younger students.

Protected oak savanna and woodland preserve with interpretive center — covers Illinois native plant communities, wildlife ecology, and habitat conservation.

County park along the Lynches River with trails and natural areas — supports riparian ecology, wildlife observation, and outdoor PE.

Minneapolis city park with rose garden, bird sanctuary, and lakeside habitat — supports plant identification and urban ecology observation.

Historic municipal rose garden with over 250 rose varieties supporting plant biology, horticulture, and cultivar identification studies.

40-acre sculpture garden with 50+ monumental works on lawns and woodland — outdoor sculpture and landscape design.

Northwest Iowa nature center with native prairie and wetland habitats — regional ecology, wildlife biology, and Iowa natural history.

Community nature center with trails and wildlife exhibits — covers local ecology, native species identification, and conservation education.

Formal rose garden on the Ringling estate — supports botanical study of cultivated rose species and horticultural design.

Iowa recreation area with raptor center and nature trails — supports birds-of-prey biology, Iowa ecology, and outdoor physical education.