Classified for credit

Suburban Illinois nature center with trails and interpretive exhibits — covers local wildlife identification, Illinois prairie and wetland ecology, and environmental stewardship.

Idaho botanical garden in Twin Falls featuring regional and specialty plant collections — plant taxonomy, horticulture, and high-desert ecology.

Oklahoma state park in tallgrass transition zone — covers prairie ecology, regional geology, and Oklahoma geography through trails.

Traditional Japanese garden in Jackson Park — supports study of East Asian landscape design, plant ecology, and cultural geography.

Riverside bird sanctuary and nature trails in Barrington — supports ornithology, riparian ecology, and wildlife observation.

Florida state park protecting endangered Florida scrub habitat — ecology, wildlife biology, and conservation studies with ranger programs available.

Residential environmental learning center in Minnesota — structured ecology programs cover field biology, watershed science, and conservation.

Michigan state park on Otsego Lake — freshwater ecology, swimming, and developed campgrounds.

County park nature center along Lake Michigan's coastal wetlands providing freshwater ecology, migratory bird study, and habitat conservation programming.

Federal wildlife refuge on Lake Erie covering Great Lakes wetland ecology, migratory shorebirds, and waterfowl biology with auto-tour routes.

Federally managed wildlife refuge on Lake Erie — covers migratory bird biology, wetland ecology, and Great Lakes watershed conservation.

Utah state park on Otter Creek Reservoir — covers riparian ecology, freshwater habitats, and outdoor recreation in a high-desert setting.

Small zoo focused on otters and other native species with a conservation mission — covers mammal biology, wetland ecosystems, and wildlife rehabilitation.

Internationally designed perennial garden at Detroit's riverfront — covers landscape ecology and naturalistic planting design in an urban setting.

Municipal arboretum and botanical garden with labeled plant collections — plant taxonomy, native Prairie ecosystems, and horticultural science.

Private nature sanctuary with trails and wildlife education programs — covers local bird species, habitat ecology, and Tennessee native flora.

Coastal Maine state park with lighthouse access and rocky shoreline — supports marine ecology, coastal geography, and Maine history.

Environmental education center on the St. Lucie River — covers Florida ecosystems, wetland ecology, and conservation biology.

Federal wildlife refuge protecting oxbow wetlands along the Nashua River — freshwater ecology, migratory bird study, and refuge conservation biology.

Riparian nature study area along the Truckee River with wetland and upland habitats — supports bird observation, riparian ecology, and Great Basin biogeography.

County park combining hiking trails with a small zoo featuring native wildlife — covers local ecology, animal adaptations, and outdoor physical education.

Urban nature center with trails, wetlands, and live animal exhibits — Oklahoma native species, riparian ecology, and hands-on natural-science programming.

Botanical garden and marketplace featuring diverse plantings — covers plant biology, horticulture, and urban green-space ecology.

Audubon-affiliated nature center covering Missouri riparian ecology, bird identification, and local watershed conservation.