Classified for credit

Barrier-island wildlife management area on the Georgia coast — covers coastal marsh ecology, migratory bird study, and Sea Island geography; ferry access required.

Formal botanical garden at Duke University with themed gardens covering plant taxonomy, horticulture, and landscape ecology.

Michigan dune state park on Lake Michigan with rare coastal dune ecosystem — supports geology, plant succession, and Great Lakes ecology study.

Tennessee state park with gorge geology, old-growth forest, and ranger programs — supports ecology, geology, and physical geography.

Tropical indoor exhibit at Denver Zoo featuring rainforest ecosystems, reptiles, and amphibians — supports biodiversity and biome geography studies.

185-acre Audubon nature center on Lake Michigan bluffs with trails, raptor exhibits, and naturalist programs — ecology and field biology.

Sea lion exhibit at the Saint Louis Zoo — supports marine mammal biology, animal behavior observation, and conservation education.

Maine state park on Sebago Lake with ranger programs, swimming, and forest trails — supports ecology, freshwater biology, and outdoor PE curriculum.

AZA-accredited zoo with strong conservation programs covering zoology, animal adaptation, and global ecosystems.

Sedona's red rock canyon park with trails through sandstone formations — geology, erosion, and high-desert ecology of Arizona's Colorado Plateau.

Wolf and wolf-dog sanctuary in central Arizona — wolf behavior, ecology, and wildlife conservation education with guided tours.

Guided airboat tours through Florida Everglades wetlands — covers subtropical ecology, native wildlife, and Florida's river-of-grass ecosystem.

African savanna exhibit area within Franklin Park Zoo — covers large-mammal biology, African ecosystem ecology, and conservation programs.

Dedicated nature center with seven ponds, trails, and naturalist programs — wetland ecology, wildlife biology, and seasonal plant identification.

Indiana state park with ravines, sandstone canyons, and old-growth forest — supports geology, plant ecology, and physical education.

Botanical gardens and nature center in the Big Thicket region — covers Southeast Texas native plant biology, wetland ecology, and biodiversity conservation.

Everglades observation tower and tram loop — freshwater wetland ecology, wading birds, and the hydrology of South Florida's watershed.

Everglades National Park visitor center with tram tours — covers subtropical wetland ecology, alligator biology, and South Florida watershed science.

Audubon center with trails, wildlife rehabilitation, and naturalist programs — covers bird biology, habitat ecology, and conservation science.

Penn State-affiliated environmental center with raptor programs and nature trails — covers central Pennsylvania ecology, bird biology, and conservation science.

Missouri Botanical Garden reserve with 2,400 acres of native habitats — supports plant ecology, conservation biology, and watershed science.

Large national forest in southern Illinois with diverse ecosystems, rock formations, and trails supporting ecology, geology, and geography studies.

State park with river access and 24 miles of trails along the Shenandoah — supports Appalachian ecology, river biology, and outdoor physical education.

Oregon coastal state park featuring dramatic sea cliffs, tide pools, and storm-wave observation — covers marine biology and coastal geology.