Classified for credit

Utah state park in Ferron Canyon featuring a reservoir — supports geology, high-desert ecology, and physical geography of the Wasatch Plateau.

State park at the Blackfoot–Clark Fork River confluence — covers riparian ecology, river geomorphology, and Montana watershed science.

Reservoir state park with diverse wetland and forest habitats — supports ecology, wildlife biology, and outdoor PE curriculum.

Mitchell County, IA nature center — Cedar Valley ecology and beginner naturalist programs.

South Dakota state recreation area on a prairie lake — supports freshwater ecology, wildlife observation, and outdoor physical education.

Urban park along the Nashua River canal with trails and wildlife habitat — canal history, riparian ecology, and outdoor PE.

Federal wildlife refuge protecting bottomland hardwood swamps — migratory waterfowl biology, wetland ecology, and conservation management.

Federal wildlife refuge visitor center in the Mingo bottomlands — Missouri Bootheel wetland ecology, migratory birds, and conservation management.

Snake River reservoir refuge adjacent to Minidoka Dam — supports study of migratory waterfowl, high-desert wetland ecology, and dam-created habitat.

Island nature center on the St. Lawrence River with trails and exhibits — supports freshwater ecology, bird migration, and Great Lakes watershed studies.

University of Minnesota horticultural research arboretum with extensive plant collections — supports botany, plant taxonomy, and applied horticultural science.

Urban national wildlife refuge with visitor center, trails, and river floodplain habitat — covers wetland ecology, migratory birds, and conservation biology.

Federal wildlife refuge visitor center with exhibits on Minnesota River valley ecosystems, migratory birds, and urban wildlife conservation programs.

Federally managed wildlife refuge unit along the Minnesota River — bird and wildlife ecology, wetland biology, and river floodplain geography.

Minnesota River valley recreation area with trails and floodplain habitat — riparian ecology, migratory bird study, and Minnesota river geography.

Wisconsin state park on the Wisconsin Dells with sandstone bluffs, a glacial lake, and nature trails — covers glacial geology, forest ecology, and freshwater biology.

Formal gardens in Zanesville offering plant identification, landscape design, and native plant ecology study.

Federal wildlife refuge on Lake Champlain's Missisquoi Delta — covers migratory waterfowl biology, wetland ecology, and Great Lakes watershed geography.

Army Corps of Engineers reservoir with public recreation areas — supports hydrology, water management, and regional geography studies.

Regional park along the Mississippi River with interpretive trails and river access — covers riparian ecology, Mississippi watershed geography, and native wildlife.

Illinois state park along dramatic Mississippi River bluffs supports study of river ecology, glacial geology, and migratory bird habitat.

Illinois state park at the Mississippi River with dramatic limestone palisades — river geology, floodplain ecology, and Upper Mississippi geography.

Riverside park along the Mississippi in Baton Rouge offering riverine ecology observation and geography of the lower Mississippi corridor.

Arkansas state park along the Mississippi River bottomlands — covers floodplain ecology, migratory bird biology, and river geography.