Classified for credit

Baltimore city arboretum with labeled tree collections and nature trails — supports dendrology, plant biology, and urban ecology curriculum.

Louisiana coastal state park on Vermilion Bay — covers Gulf Coast marsh ecology, saltwater fishing biology, and barrier-shoreline geography.

Federal wildlife refuge in southern Illinois bottomlands protecting Cache River wetlands — covers floodplain ecology, migratory bird biology, and conservation management.

Historic botanical garden site at LEGOLAND Florida with butterfly garden and native plant areas — covers plant biology and Florida ecosystems.

Jackson, TN nature park with wetlands, trails, and bird observation areas — covers migratory bird ecology, wetland biology, and native plant identification.

Vermont state park on Lake Champlain with trails, fishing, and ranger programs covering freshwater ecology and regional geography.

Federal wildlife refuge with bottomland hardwood forest and wetlands — covers waterfowl ecology, migratory bird biology, and riparian habitat.

County-run nature center in South Florida with live animals and trails — covers subtropical ecology, wildlife biology, and native plant identification.

Mississippi Delta NWR visitor center covering bottomland hardwood ecology, migratory waterfowl biology, and wetland conservation.

East Texas state park built around a glacial lake — freshwater ecology, native pine forest biology, and watershed geography.

Arkansas state park on Lake Greeson with forest and lakeside habitat — supports ecology, wildlife identification, and outdoor PE curriculum.

South Dakota urban nature park with trails, wetland habitat, and wildlife observation — prairie ecology, bird biology, and Great Plains geography.

Large Arkansas River bottomland wildlife refuge — supports migratory waterfowl ecology, wetland biology, and Mississippi Flyway geography studies.

Federal wildlife refuge visitor center on a major bottomland hardwood wetland — covers waterfowl ecology, floodplain biology, and wildlife management.

Kentucky lake resort park with forested shoreline — freshwater ecology, aquatic habitats, and outdoor recreation with interpretive programming.

Historic estate and arboretum at White Rock Lake — covers native Texas plants, landscape ecology, and natural history.

Formal Japanese garden in Dallas, OR — horticultural design, plant taxonomy, and cultural geography of Japanese landscape traditions.

Greers Ferry Lake Corps of Engineers recreation area near Greers Ferry Dam — supports freshwater ecology, geography, and outdoor education.

Maine state park on a freshwater lake with swimming beach and nature trails — supports freshwater ecology, geology, and outdoor PE.

Forest and woodland exhibit area within St. Louis' Forest Park — tree identification, forest ecology, and urban nature concepts.

Coastal interpretive center overlooking the Pacific — covers marine ecology, tidepools, and California coastal habitats with ranger-led programming.

Small New Hampshire farm offering educational visits — supports plant biology, sustainable agriculture, and seasonal ecology observation.

Native plant botanical garden in Boone honoring Daniel Boone — Appalachian flora, ethnobotany, and colonial-era natural history.

Nebraska state recreation area along the Missouri River with trails and river access — supports geography, ecology, and physical education.