Classified for credit

Historic farm-based arboretum with native trees and urban forest collections — supports dendrology, plant identification, and urban ecology studies.

Sonoran Desert wildlife refuge contact station near Yuma — desert ecology, Bighorn sheep habitat, and wildlife conservation in a remote bajada environment.

Lake Michigan dune and swale state park with nature center — covers coastal dune formation, Great Lakes ecology, and outdoor PE.

Small natural history museum inside Koke'e State Park covering Hawaiian ecology, native flora and fauna, and Kauai's geological and cultural landscape.

Botanical garden inside a volcanic crater featuring dry-land Hawaiian native plants — covers island biogeography, native plant adaptation, and conservation.

Volcanic tuff cone park with crater trail and coastal views — covers geology, Hawaiian ecology, and physical geography.

Private cloud forest preserve on Hawaii Island's slopes — covers tropical botany, cloud forest ecology, and native Hawaiian plant conservation.

Federal wildlife refuge on the Kootenai River — migratory bird ecology, wetland biology, and wildlife observation with self-guided auto and walking tours.

Idaho NWR education center on the Kootenai River — covers wetland wildlife biology, Pacific Flyway ecology, and conservation science.

Mobile petting zoo — hands-on animal handling and basic zoology for young children in a controlled setting.

Outdoor seal pool exhibit at Lincoln Park Zoo — covers pinniped biology, marine mammal adaptations, and zoo conservation programs.

Auburn University-affiliated nature preserve with trails and a nature center focused on local ecology, wildlife, and native plant communities.

Pacific Northwest native plant botanic garden with labeled species collections — supports plant taxonomy, ecology, and regional biodiversity study.

Japanese-style garden designed by Fujitaro Kubota — covers horticultural design principles, Pacific Northwest native and ornamental plants, and cultural geography.

Upcountry Maui botanical garden at 3,300 ft elevation featuring native Hawaiian plants, proteas, and island ecosystem biology.

WV state forest at 3,000 ft — high-elevation hardwood ecology and primitive camping/hiking.

Kansas wildlife area with wetland marsh habitat — supports migratory bird study, wetland ecology, and wildlife management curriculum.

Oregon state park with forested trails, equestrian paths, and camping — forest ecology, plant identification, and outdoor PE.

Missouri River island nature area in Pierre with trails through cottonwood floodplain — riparian ecology, bird identification, and Great Plains geography.

Minnesota state park on a prairie lake offering ranger programs in wetland ecology, migratory birds, and glacial geography.

Waterfall feature within Natural Bridge area — geomorphology, karst hydrology, and Appalachian ecology observation.

Iowa state park along the Des Moines River with forested bluffs and Native American earthworks — ecology, river geography, and regional prehistory.

Northeastern Pennsylvania state park with fishing lake and forested trails — freshwater ecology, native plant identification, and outdoor recreation.

Remote South Dakota NWR protecting wetlands and grasslands for migratory birds — covers Great Plains ecology, waterfowl biology, and wetland conservation.