Classified for credit

Large-scale animal sanctuary in Utah canyon country — covers animal welfare, companion and exotic animal biology, and conservation ethics.

Oregon Coast state park with beach access, tidal zones, and forest trails — covers intertidal ecology, coastal geology, and Pacific Northwest habitats.

California old-growth coastal redwood park — covers conifer biology, forest ecology, fire ecology, and the geography of temperate rainforests.

Alpine zoo specializing in injured and non-releasable native wildlife — covers wildlife rehabilitation, ecology, and California mountain species.

Remote Texas state park covering Chihuahuan Desert geology, riparian ecology, and Big Bend geography across 300,000 acres of undeveloped terrain.

700,000-acre subtropical wilderness preserve — covers wetland ecology, cypress ecosystems, wildlife biology, and South Florida hydrology.

Working wolf ranch offering guided encounters with wolf packs — applied zoology, predator ecology, and animal behavior observation.

National recreation area along the Big South Fork gorge — covers river ecology, geology, and Appalachian natural history with developed visitor facilities.

One of the largest springs in the U.S. within Ozark National Scenic Riverways — covers hydrology, karst geology, and Ozark riparian ecology.

Barrier island park with maritime forest, boneyard beach, and tidal marsh — covers coastal geomorphology and Florida barrier-island ecology.

NPS preserve protecting rare convergence of four North American ecosystems — field study in biodiversity, plant communities, and wetland ecology.

NPS canyon and reservoir recreation area on the WY/MT border — covers geology of canyon formation, high-desert ecology, and Great Basin geography.

NRA straddling Wyoming and Montana with dramatic canyon geology, wild mustangs, and bighorn sheep habitat — geology, ecology, and Great Plains geography.

1.1-million-acre national forest in the Bighorn Mountains — alpine ecology, conifer forest biology, watershed science, and Rocky Mountain geography.

Barrier-island state park with a historic lighthouse, mangrove trails, and Atlantic coastal ecology — supports marine biology, Florida history, and outdoor PE.

Federal wildlife refuge at the Nisqually River delta — estuary ecology, Pacific Flyway bird migration, and wetland conservation are the curriculum core.

Formal Italian garden on the Biltmore Estate — supports landscape design, horticulture, and European garden history.

AZA-accredited zoo with African wildlife exhibits and giraffe encounter — supports zoology, conservation, and animal adaptation study.

Smithsonian National Zoo's Bird House with live avian species from multiple continents — supports ornithology, adaptation, and conservation study.

Birmingham Botanical Gardens with conservatories and labeled collections — plant taxonomy, native species, and Southern Appalachian horticulture.

Accredited zoo with 700+ animals — covers zoology, animal behavior, conservation biology, and endangered-species programs.

NPS visitor center for Biscayne National Park — covers coral reef ecology, marine biology, and the largest mostly-aquatic national park in the US.

Large national forest encompassing Black Hills ecology, ponderosa pine habitat, and mixed geology — supports botany, geology, and outdoor education.

Private sanctuary protecting wild mustangs in the Black Hills — covers equine biology, Native American horse culture, and Great Plains wildlife conservation.