Classified for credit

Kentucky state park atop Black Mountain with trails, overlooks, and natural area study in Central Appalachian forest habitat.

Nature and birding area within Chatfield State Park focusing on riparian habitat — covers Colorado Front Range ecology, bird identification, and watershed biology.

Pennsylvania state environmental education center with forest ecology trails, wildlife habitat study, and ranger-led natural science programs.

California DFW wildlife area along the Kings River — covers riparian ecology, migratory bird habitat, and freshwater biology.

Vermont state park on Lake Champlain with shoreline access — supports ecology, lake biology, and New England geography field study.

Small New Hampshire state park with pond habitat and forest trails — supports outdoor biology, ecology observation, and physical education.

47-acre formal and naturalistic garden in Mansfield — supports plant biology, horticulture, and seasonal ecology study.

Specialty azalea garden with over 500 cultivars — supports plant taxonomy, horticultural science, and New England native plant study.

Wisconsin state park at the Kinnickinnic River confluence — supports freshwater ecology, glacial geography, and outdoor physical education.

Chesapeake Bay state park on the Atlantic flyway — bird migration, coastal ecology, tide pools, and barrier beach geomorphology.

Federal wildlife refuge on the Prairie pothole region — waterfowl biology, wetland ecology, and migratory bird habitat management.

Louisiana national forest with longleaf pine savannas — forest ecology, watershed biology, and land management concepts.

Glacial kettle lake state park with forest and wetland trails — supports freshwater ecology, glacial geology, and Ohio natural history curriculum.

One of Florida's last intact dry prairies — covers grassland ecology, fire-dependent ecosystems, and Florida panther habitat biology.

NJ state park in the Kittatinny Valley covering glacial geology, freshwater ecology, and forest habitats with ranger programs and developed trails.

Coastal nature reserve on the Outer Banks — covers barrier island ecology, coastal geography, and migratory shorebird habitat.

Coastal reserve with maritime forest and wetland trails on the Outer Banks — supports study of barrier-island ecology, native plant communities, and coastal geography.

High-desert marsh refuge in the Klamath Basin — wetland ecology, migratory waterfowl, and Pacific Flyway biology.

NWR visitor center for a high-elevation marsh refuge — migratory bird ecology, wetland biology, and Pacific Flyway conservation programs.

Regional arboretum and botanic garden with labeled tree and plant collections — covers dendrology, botany, plant classification, and native Illinois species.

Lake Champlain state park on North Hero Island — supports freshwater ecology, Great Lakes-region geography, and outdoor field study.

Missouri state park with lakes and mixed forest — covers Midwestern woodland ecology, wildlife identification, and outdoor recreation.

City-run nature center with trails, a river corridor, and naturalist programming — covers local ecology, plant and wildlife identification, and field observation skills.

Oakland hillside park adjacent to the zoo provides open-space ecology study with native plant communities and wildlife observation opportunities.