Classified for credit

Nature center on Robinson Bay covering local ecology, wildlife identification, and St. Lawrence River watershed biology.

Wildlife educational park in northern Minnesota housing native animals including wolves and bears — supports wildlife biology and conservation education.

Harvard Forest's Fisher Museum features dioramas showing New England forest succession and land-use history — ecology, conservation, and forest science.

Iowa county park museum covering natural history and local ecology — supports biology, geology, and regional natural-history curriculum.

Urban national park preserving Civil War–era fortifications with trails, wildlife habitat, and ranger programming — ecology and Civil War defensive history.

Wildlife adventure park in southeast Texas housing American alligators and native reptiles — covers herpetology and wetland ecology.

NPS-managed Potomac River parkway — covers riparian ecology, Virginia/DC history, and Civil War-era geography along scenic river trails.

Working Louisiana farm offering tours of subtropical agriculture — plant biology, crop cultivation, and farm-to-table food systems.

Community green space and outdoor art venue along Biscayne Boulevard — urban ecology, public art, and community studies hook.

NPS-managed forest park near Washington DC with ranger programs covering eastern woodland ecology, trail biology, and outdoor skills.

Working farm and petting zoo in the Shenandoah Valley — supports animal husbandry, basic biology, and agricultural science for young learners.

Nature observatory in Central Park, NYC offering hands-on bird observation and urban ecology programming — covers ornithology and urban wildlife biology.

Interpretive nature center at Hobcaw Barony covering coastal ecology, forest and wetland habitats, and South Carolina conservation history.

Nature interpretive center at Homer Lake covering local watershed ecology, native species, and Illinois prairie and woodland habitats.

Houston Audubon facility with bird sanctuaries and conservation programming — ornithology, bird identification, and habitat ecology.

Urban nature center on the Tennessee River with trails, wildlife habitats, and naturalist programs — ecology, native species identification, and watershed biology.

Accredited arboretum with labeled tree and plant collections — supports dendrology, plant biology, and phenology study across all ages.

Hands-on animal encounter venue covering zoology, animal behavior, and wildlife conservation concepts.

Former estate of diplomat John Hay on Lake Sunapee with formal gardens, forest trails, and lakeside ecology — supports botany, conservation history, and Gilded Age biography.

Visitor center for the National Key Deer Refuge — endangered species conservation, island ecology, and Florida Keys habitat biology.

NPS recreation area on a reservoir in the Texas Panhandle — covers geology, high-plains ecology, and water resource geography.

Small municipal zoo in Manitowoc with regional wildlife — supports introductory zoology and animal-adaptation discussions for young learners.

Small hands-on nature museum introducing young children to local wildlife, plants, and ecology through specimens and interactive displays.

NPS-designated Wild and Scenic River corridor in the Delaware Water Gap region — freshwater ecology, riparian biology, and conservation geography.