Classified for credit

Illinois state park along the Rock River featuring sandstone outcroppings — supports geology, woodland ecology, and outdoor PE curriculum.

Front Range canyon state park with exposed geological formations and riparian habitat — covers Colorado geology, erosion, and prairie-to-forest ecological transition zones.

Colorado Front Range state park visitor center covering canyon geology, fire ecology, and native plant and wildlife biology.

Missouri river-bluff state park with forested trails along Meramec River — riparian ecology, geology, and outdoor physical education.

Valley oak riparian woodland state park along the Stanislaus River — Central Valley ecology, native oak biology, and freshwater habitat study.

Wildlife center near Spokane housing large exotic cats — animal biology, conservation science, and captive wildlife management.

Federal wildlife refuge protecting Louisiana bottomland hardwood and wetland habitat — supports waterfowl ecology, migratory bird biology, and wetland conservation study.

Island conservancy nature center covering Catalina's endemic species and island biogeography — supports ecology, conservation, and island biology.

Sonoran Desert state park with ranger programs — covers desert ecology, native flora and fauna, and Sonoran biome geography.

Family outdoor center with Nordic skiing, snowshoeing, and nature trails in Vermont — supports PE, ecology, and seasonal environmental science.

Indiana's largest waterfall within a state recreation area — supports geology, hydrology, and riparian ecology field study.

Lake Erie peninsula state park with wetlands, beach, and boating — covers Great Lakes coastal ecology, freshwater habitats, and glacial geology of the Lake Erie shoreline.

Old-growth hemlock forest state park with trees exceeding 90 feet — Appalachian forest ecology, dendrology, and old-growth ecosystem science.

Animal sanctuary in Newtown, CT dedicated to wildlife care and conservation education — covers animal biology, habitat needs, and wildlife rehabilitation practices.

Maryland stream-corridor park with nature center programming — stream macroinvertebrate biology, Piedmont ecology, and watershed science.

Private wildlife preserve with native and exotic animals — applied zoology, wildlife conservation, and animal behavior observation.

African big-cat exhibit at the Santa Barbara Zoo — supports zoology, predator ecology, and African savanna habitat study within a conservation program.

Arizona state park on Lake Havasu — covers Sonoran Desert ecology, riparian habitat, and desert-lake geography.

Barrier island county park with a nature center, salt marsh, and tidal habitats — covers coastal ecology, estuarine biology, and NJ native species.

Sonoran Desert regional park with trails and interpretive programs covering desert ecology, geology, and native wildlife.

Sonoran Desert regional park with hiking trails and campgrounds — covers desert ecology, native flora and fauna, and Arizona geology.

High-desert Nevada state park with reservoir — geology, riparian ecology, and Great Basin watershed geography.

Kansas City city park with a natural limestone cave spring — karst geology, cave biology, and freshwater spring ecology in an accessible urban setting.

Coastal wetlands interpretive center with boardwalk trails covering salt marsh ecology, tidal biology, and Georgia's barrier island watershed systems.