Classified for credit

Urban nature center on the Mississippi River with trails and naturalist programs — riparian ecology, bird identification, and environmental stewardship.

Central Texas arboretum with native Bosque County species — supports tree identification, plant ecology, and Texas native botany.

Minnesota state park along the Whitewater River — covers riparian ecology, native flora and fauna, and outdoor physical education.

Large reservoir wildlife management area supporting field study of migratory waterfowl, wetland ecology, and Illinois wildlife habitat.

NC coastal state park — native Venus flytrap habitat, longleaf-pine ecology, and beach-dune systems.

Federal wildlife refuge supporting red-cockaded woodpeckers and longleaf pine — conservation biology and habitat ecology.

NWR visitor contact station for one of the Southeast's largest refuges — covers longleaf pine ecosystem restoration, endangered species, and wildlife management.

River-corridor nature center on the St. Croix with bird banding, raptor programs, and guided ecology trails covering riparian biology and wildlife habitat.

Riparian and prairie nature center on the St. Croix River with guided programs covering ecology, wildlife habitat, and conservation biology.

California state beach noted for its tide pools — marine biology, intertidal ecology, and coastal geology field study.

Appalachian state park with forested trails and a reservoir — covers regional ecology, watershed geography, and outdoor PE.

Small working farm with animals and agricultural activities — covers livestock care, plant science, and farm ecology.

Baltimore nature center with wildlife rehabilitation and live animal exhibits — covers local ecology, animal biology, and conservation.

Coastal Maine land trust preserve with forest and wetland trails — supports forest ecology, wildlife habitat study, and physical education.

Three Rivers park district reserve near Minneapolis with prairie, wetland, and woodland habitats — supports ecosystem diversity, wildlife biology, and outdoor science.

Former Rockefeller estate turned state park with longleaf pine restoration, wildlife habitat, and outdoor education trails.

Sandhills access unit of Carvers Creek State Park — covers longleaf pine ecosystem ecology, conservation biology, and NC natural history.

Natural waterfall along a creek trail in the Patapsco Valley area — fluvial geomorphology, stream ecology, and Maryland natural history.

Ornamental water garden within Longwood Gardens area — supports aquatic botany, landscape design, and horticultural science.

Urban nature preserve with springs and hardwood forest in Atlanta — covers urban ecology, native plant communities, and freshwater habitats.

Oregon county park along the South Santiam River with old-growth Douglas fir — riparian ecology, Cascade Range geology, and temperate rainforest biology.

Small nature center with trails and wildlife habitat — supports field biology, local ecology, and outdoor observation skills.

County park in Wyoming's Laramie Range with diverse ecosystems — covers geology, forest ecology, and high-elevation biology.

Orange County wilderness park with a staffed nature center and chaparral habitat trails — covers Southern California ecology, native species, and watershed science.