Classified for credit

Historic cypress swamp garden with boat tours — covers freshwater wetland ecology, cypress forest biology, and South Carolina natural history.

Lake Tahoe state park with old-growth forest, granite geology, and shoreline ecology — supports biology, earth science, and physical education.

Regional zoo along the Missouri River featuring native Great Plains and North American species — applied zoology and wildlife conservation.

66-acre botanical garden on White Rock Lake — plant biology, ecology, and seasonal horticulture with labeled collections.

700,000-acre national forest with caves, arches, and ranger programs — supports Appalachian ecology, geology, and physical geography.

Daniel Stowe Botanical Garden with themed gardens and naturalist programming — plant taxonomy, horticulture, and Piedmont ecosystems.

Nature center with native wildlife exhibits, live animals, and trails covering Georgia ecology, habitat conservation, and native species identification.

Nature center within a rare granite-outcrop ecosystem — covers geology, plant succession, biodiversity, and local watershed ecology via ranger-led programs and trails.

Exposed granite monadnock with rare plant communities and a nature center — covers geology, rare-species ecology, and Piedmont natural history.

Florida state park at a freshwater spring with swimming, wildlife, and a historic sugar mill ruin — supports freshwater ecology, geology, and Florida history.

Iconic Utah state park with sheer canyon views above the Colorado River — covers Colorado Plateau geology, erosion, and desert ecology.

Large WA state park straddling a tidal strait with old-growth forest and marine shoreline — covers tidal ecology, Pacific Northwest geology, and coastal geography.

Residential and day-use environmental learning center in Minnesota's northwoods — structured ecology programs, forestry, and wildlife biology.

Wild horse eco-sanctuary in Wyoming offering guided tours — covers equine biology, range ecology, wild horse management policy, and Western land stewardship.

Delaware barrier-island state park with ocean beach and inland bays — covers coastal geology, Atlantic shoreline ecology, and barrier-island formation.

National recreation area spanning the Delaware River corridor — river ecology, watershed biology, and Appalachian geography with ranger programs.

National Recreation Area along the Delaware River — river ecology, watershed science, and Appalachian geography with NPS ranger programs.

NPS recreation area protecting 70,000 acres of Delaware River gorge — covers river ecology, glacial geology, watershed biology, and riparian habitats.

State natural area featuring dramatic sandstone rock formations carved by the Wisconsin River — covers fluvial geology, erosion, and riparian ecology.

Large Alaska state park adjacent to Denali with wilderness trails and Denali views — glacier geology, subarctic ecology, and physical geography.

Major urban botanic garden with 24 themed gardens covering plant taxonomy, ethnobotany, and global plant geography across 24 acres.

Working farm and botanic garden outside Denver with seasonal crops, native plants, and ecology programs covering plant biology and sustainable agriculture.

120-acre botanical garden with native California and Japanese garden sections — supports plant biology, horticulture, and ecosystem identification.

1.6-million-acre national forest with ranger districts covering ecology, geology, volcanology, and old-growth forest biology.