Classified for credit

Coastal wetlands wildlife observatory on Biscayne Bay — supports bird ecology, estuarine biology, and South Florida wetland conservation study.

Elevated treehouse structure in a botanical garden setting — supports observation of urban tree ecology and canopy-layer biology.

Chihuahuan Desert wetland refuge with a staffed visitor center — migratory bird ecology, desert hydrology, and refuge management as applied biology.

Forested lake refuge in the Mississippi River Alluvial Plain — covers bottomland hardwood ecology, wetland biology, and migratory birds.

USFWS refuge visitor center on a cypress-lined oxbow lake — covers bottomland hardwood ecology, migratory waterfowl, and Louisiana wetland conservation.

State park on the Black Canyon reservoir covering riparian ecology, geology, and Idaho high-desert habitats.

Iowa state park on Black Hawk Lake featuring trails and wetland habitat — supports aquatic ecology, prairie biology, and outdoor physical education.

Lower Wisconsin River unit of the Ice Age National Scenic Trail — covers glacial landforms, riparian ecology, and outdoor navigation.

Discovery center on Little Seneca Lake offering ranger programs on local ecology, wetlands, and watershed science.

Regional park with lake, wetlands, and trails — supports ecology, wildlife observation, and outdoor PE alongside ranger programming.

Pennsylvania bog ecosystem state park with a rare sphagnum peat bog — covers wetland ecology, acid-tolerant plant communities, and watershed science.

Exotic animal sanctuary housing rescued big cats and other wildlife — covers animal biology, conservation ethics, and captive wildlife stewardship.

Self-drive wildlife loop through Merritt Island NWR scrub habitat — bird identification, Florida scrub-jay conservation, and coastal ecology.

Large Wisconsin state forest with diverse mixed woodland ecosystems — supports forestry, ecology, and field geography for all age groups.

Georgia's highest state park on the Blue Ridge escarpment — covers Appalachian geology, forest ecology, elevation-driven biodiversity, and topographic geography.

Desert nature center in Joshua Tree's Black Rock Canyon — Mojave ecology, native flora and fauna, and high-desert geology.

Connecticut state park with a reservoir and forested trails — freshwater ecology, Connecticut geology, and outdoor PE.

Outdoor sculpture trail integrated into Montana forest — connects environmental land stewardship, site-specific art, and ecological observation.

Columbus Metro Park with mature forest, wetlands, and nature center — covers Ohio woodland ecology, wildlife habitat, and seasonal natural cycles.

Franklin County Metro Park nature center with woodland and wetland trails supporting wildlife biology, plant identification, and ecosystem study.

State park along the historic Blackstone River — covers industrial heritage, riparian ecology, and the birthplace of American textile manufacturing.

State park ski and sled area in the Allegheny Highlands — supports winter ecology, physical education, and Appalachian geography.

Chesapeake Bay estuary NWR with trails and observation areas — covers wetland ecology, migratory bird biology, and conservation of tidal marshes.

National Wildlife Refuge visitor center on the Chesapeake watershed — covers wetland ecology, migratory bird biology, and Chesapeake Bay conservation.