Classified for credit

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.

Summit weather observatory on NH's highest peak — covers meteorology, atmospheric science, and extreme-weather research with live instrument displays.

Historic working observatory on Mt. Wilson with historic 100-inch Hooker telescope — covers astrophysics, optics, and the history of modern astronomy.

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

Living-history outdoor farm in Great Smoky Mountains NHP demonstrating 19th-century Appalachian agriculture, tools, and homestead life.

Reconstructed 1890s Ozark pioneer village — covers late-19th-century rural settlement, crafts, and daily life.

Hands-on science and innovation museum in Santa Barbara with interactive exhibits covering physics, engineering, and creative problem-solving.

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.

Public observatory atop Mt. Lemmon with guided stargazing and telescope access — covers astrophysics, optics, and observational astronomy.

Auto road to the summit of Mt. Washington covers meteorology, alpine ecology, and atmospheric science at one of the world's most extreme weather stations.

Highest peak in the Northeast with summit observatory — covers meteorology, alpine ecology, and extreme weather science.

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.

Hands-on children's museum with interactive exhibits covering early literacy, math concepts, and basic science for young learners.

Collection of over 300 antique coin-operated arcade machines illustrating mechanical engineering and 20th-century popular-culture history.

Natural history and science museum with traveling Smithsonian exhibits and permanent paleontology galleries — evolution, geology, and earth science.