Classified for credit

New Mexico state park built around a natural playa lake in arid eastern plains — desert ecology, migratory waterfowl biology, and semi-arid hydrology.

Wildlife education center with native Georgia animals on trail exhibits — zoology, conservation biology, and coastal Georgia habitats.

NC state natural area on a monadnock ridge — piedmont geology, native plant communities, and forest ecology with hiking trails.

Virginia state park on Kerr Reservoir with trails, wildlife habitat, and ranger programs covering ecology, local history, and geography.

National wildlife refuge at the Occoquan Bay tidal estuary — migratory bird biology, Chesapeake Bay watershed ecology, and riparian habitat study.

Federally managed tidal-estuary wildlife refuge with a visitor center — covers migratory bird ecology, wetland biology, and Chesapeake Bay watershed conservation.

Northern Virginia regional park on the Occoquan River — covers Piedmont riparian ecology, freshwater biology, and outdoor recreation.

Washington coastal state park on the Pacific shore — marine and beach ecology, coastal geography, and tidal zone biology.

Free municipal zoo in Baraboo with a variety of regional and exotic animals — animal biology, conservation, and zoology basics for young learners.

USFS-operated whitewater center on the Ocoee River — covers river ecology, hydrology, and outdoor physical education.

National forest in the Georgia Piedmont with ranger programs and trails — forest ecology, watershed science, and southeastern biodiversity.

Blue Ridge foothills state park with lakes, forests, and CCC-built structures — Appalachian ecology, forest biology, and conservation history.

Non-profit sanctuary housing big cats, primates, and exotic animals — supports zoology, animal rescue ethics, and conservation biology.

Large Berkshires state forest with mixed hardwood habitat — forest ecology, watershed study, and field botany through self-guided and ranger programs.

Small community nature center with trails and natural-history exhibits — local ecology, wildlife identification, and outdoor science.

Farm animal sanctuary providing direct contact with rescued livestock — introduces animal welfare, farm ecology, and basic zoology concepts.

Small community botanical garden in Valparaiso — supports plant taxonomy, horticulture, and Midwest native species identification.

Municipal botanical garden with themed beds and labeled specimens — supports plant biology, horticulture, and seasonal ecology curriculum.

Urban nature center in Ogden with raptor aviaries, native plant gardens, and trail programs covering Utah wildlife biology and conservation.

Trailhead access point for Ogden Nature Center's wildlife sanctuary — supports field study of Utah native species and wetland habitats.

Vast mixed-grass prairie managed by the USFS — ecology of Great Plains grasslands, native species, and land-use geography.

Mid-size zoo focused on North American species — animal behavior, habitat ecology, and conservation.

Interpretive center for the Ohio River Islands National Wildlife Refuge — covers freshwater island ecology, migratory species, and river conservation biology.

Private alpine-style rock garden overlooking the Columbia River — plant diversity, landscape ecology, and Pacific Northwest geography.