Classified for credit

National conservation area hosting the densest concentration of nesting raptors in North America — supports raptor biology, ecology, and bird-of-prey behavior.

Working farm and nature center with live animals, longleaf pine habitat, and ranger-led ecology programs covering Florida ecosystems and wildlife biology.

University of Pennsylvania arboretum with 12,000+ labeled plants and historic landscape — botany, dendrology, and landscape history.

Coastal state park on Morro Bay estuary — covers marine ecology, bird habitat, tidal zones, and California coastal geography.

14,265-ft Colorado summit accessible by road — alpine ecology, geology, atmospheric science, and elevation physiology.

California state park with sweeping Bay Area views, diverse chaparral ecosystems, and geology ranger programs covering tectonic history.

Massachusetts' highest peak with a summit visitor center — covers Appalachian geology, alpine ecology, meteorology, and elevation-based habitat change.

National forest on the slopes of Mt. Hood — old-growth forest ecology, volcanic geology, and Pacific Northwest watershed science with extensive trail access.

Arkansas's highest peak with diverse trail systems covering Ouachita Mountain geology, elevation ecology, and physical geography.

State park atop the highest peak in the eastern US — covers Appalachian ecology, elevation-driven climate zones, and meteorology with an on-site weather station.

High-elevation state park in the San Jacinto Mountains — covers montane ecology, geology, and geography; aerial tramway access available.

California coastal mountain state park with diverse ecosystems supporting biology, geology, watershed geography, and outdoor education.

Mt. Washington (6,288 ft) — alpine ecology, extreme-weather meteorology, and the Auto Road/Cog Railway summit access.

Upstate SC wilderness area in the Blue Ridge — Appalachian ecology, waterfall geology, and biodiversity fieldwork on maintained trail systems.

New Hampshire state park on Lake Sunapee with beach, trails, and mountain views — covers New England lake ecology, glacial geography, and outdoor education.

National forest with old-growth conifers, glaciated terrain, and ranger programs covering Pacific Northwest ecology, geology, and watershed science.

Maine state park with lake, trails, and ranger programs — supports ecology, geology, outdoor PE, and New England natural history.

Native plant research garden and arboretum focused on mid-Atlantic flora — covers plant ecology, native species conservation, and botany.

Colorado state park on the Rampart Range with elk, black bear habitat, and 90+ miles of trails — supports Rocky Mountain ecology, wildlife biology, and outdoor PE.

Working family farm open to visitors — covers animal husbandry, crop cycles, and rural ecology.

Oldest NWR in Texas, hosting hundreds of thousands of wintering sandhill cranes — covers migratory bird biology, wetland ecology, and Great Plains geography.

Michigan state park on Lake Michigan with dunes, forest, and wetland ecosystems for hands-on ecology and geography study.

Large Florida state park with airboat tours, wildlife observation, and ranger programs covering wetland ecology, alligators, and subtropical biodiversity.

Reservation-only private wildlife preserve with exotic and endangered animals — covers zoology, conservation biology, and endangered species management.