Classified for credit

University of Michigan arboretum with labeled tree and plant collections along the Huron River — supports botany and ecology.

Lakeshore arboretum with native and ornamental plantings on Lake Michigan — supports dendrology, plant identification, and Great Lakes coastal ecology.

Federal refuge protecting 20 miles of sea turtle nesting beach — marine biology, endangered species conservation, and coastal ecology.

Arctic Passage exhibit at Henry Vilas Zoo features polar bears and snow leopards — covers Arctic and Asian wildlife ecology and conservation biology.

Arctic tundra habitat exhibit area at Point Defiance Zoo & Aquarium — covers tundra biomes, Arctic wildlife, and climate-related conservation biology.

Specialty garden showcasing drought-adapted and arid-climate plant species — supports botany, plant adaptation, and desert ecology study.

Arizona botanical garden in the Verde Valley featuring native desert and riparian plants — supports Sonoran/Chihuahuan plant biology and xeriscape ecology.

Stanford University desert plant collection — covers arid and semi-arid plant adaptations, taxonomy, and Southwest ecology.

University-affiliated arboretum with labeled tree and shrub collections — supports dendrology, plant taxonomy, and local ecology study.

Small wildlife rescue and rehabilitation facility in Michigan — supports animal biology, wildlife conservation, and ecological stewardship.

Alligator farm and petting zoo covering reptile biology, animal behavior, and regional wildlife native to the southeastern US.

State-managed arboretum with native Arkansas tree and plant collections — supports dendrology, native plant identification, and ecosystem study.

Colorado state recreation area along the upper Arkansas River covering riparian ecology, whitewater hydrology, and Rocky Mountain geography.

Arkansas native plant and wildlife center in the Ouachita foothills — covers regional plant identification, wildlife habitat, and native species conservation.

Historic log cabin within a managed nature center — combines early American settlement history with local ecology and nature trail programs.

DuPage County forest preserve nature center in Addison with trails and naturalist programming — covers Illinois native ecology, wildlife habitat, and field biology.

Maine state park centered on Echo Lake with forested trails and volcanic geology — ecology, glacial landforms, and outdoor PE.

National Wildlife Refuge visitor contact station in central ND — prairie wetland ecology, migratory waterfowl, and grassland habitat conservation.

Federal wildlife refuge protecting Everglades headwaters — wetland ecology, native wildlife biology, and South Florida conservation.

Federal wildlife refuge visitor center at the northern Everglades — covers wetland ecology, migratory birds, hydrology, and Everglades conservation.

Erie-area nature center with trails, wildlife exhibits, and naturalist programming — covers local ecology, bird biology, and field science.

Desert spring-fed national wildlife refuge supporting rare endemic species — covers desert ecology, spring hydrology, and conservation biology.

ACRES Land Trust preserve with forested trails in Wabash County — Indiana native plant ecology, forest succession, and land conservation concepts.

Native-plant botanical garden on UNCA campus — focuses on Southern Appalachian flora, plant ecology, and conservation biology.