Classified for credit

Botanical garden section within Fort Worth Botanic Garden themed to the Republic of Texas era — supports Texas history, native plant biology, and horticulture.

Botanical garden on the Ross Barnett Reservoir — supports plant identification, native species ecology, and outdoor nature study.

Working nonprofit farm with animals, gardens, and community programs covering sustainable agriculture, animal care, and Vermont agrarian heritage.

County-operated nature center with trails, exhibits, and naturalist programs — ecology, Wisconsin wildlife, and environmental science.

Historic 129-acre garden on a former estate — plant biology, landscape ecology, and seasonal botanical observation.

Suburban nature preserve with wetlands and forested trails — supports plant and animal ecology, observation skills, and outdoor PE.

Rare inland sand-plain ecosystem in West Greenwich, RI — glacial geology, plant adaptation to xeric habitats, and regional geography.

Campus arboretum with labeled native and exotic tree specimens — supports dendrology, plant taxonomy, and urban ecology study.

Point Defiance Park rhododendron collection — plant taxonomy, Pacific Northwest native species ecology, and seasonal botanical observation.

City botanical rhododendron garden with labeled plantings supporting plant taxonomy, horticulture, and Pacific Northwest native plant study.

Specialized botanical garden housing the world's largest rhododendron collection — plant taxonomy, horticulture, and Pacific Northwest ecology.

State park protecting a 16-acre wild rhododendron stand — supports plant ecology, New England forest biology, and field botany observation.

Specialty arboretum focused on rhododendrons and Pacific Northwest native plants — covers plant taxonomy, phenology, and woodland ecology.

Wisconsin state park atop one of the state's highest quartzite monadnocks — covers geology, forest ecology, and physical geography.

Urban nature preserve in Charlotte with forested trails along Toby Creek — supports local plant/wildlife ecology and watershed biology.

National Wildlife Refuge in Minnesota's lake country — wild rice ecology, migratory waterfowl biology, and northern wetland conservation.

Illinois state fish and wildlife area with wetland habitat — supports lessons in waterfowl ecology, wetland biology, and wildlife management.

Minnesota state park centered on a glacial lake — covers glacial geology, freshwater ecology, and migratory waterfowl habitat.

Iowa state park on a shallow glacial lake — supports study of glacial lake formation, prairie wetland ecology, and migratory waterfowl habitat.

Georgia state park on Richard B. Russell Lake with trails and shoreline habitats — supports Piedmont ecology, lake science, and physical education.

County park near the birthplace of Richard Nixon — outdoor nature trails with local ecology; light historical context for civics units.

Meadowlands wetland park with trails and birding — ecology, wetland biology, and habitat restoration in a functioning urban estuary.

Nature center within Hyland Lake Park Reserve — covers Minnesota native habitats, wildlife identification, and wetland ecology.

Vermont state park within Groton State Forest — supports freshwater ecology, forest biology, and outdoor education along Ricker Pond.