Classified for credit

Urban arboretum along the North Shore Channel in Evanston — covers dendrology, native plant ecology, and urban forestry management.

State-managed waterfowl complex in the Rio Grande Valley — migratory bird ecology, wetland management, and New Mexico riparian habitats.

Boulder County nature center in Lafayette — Front Range ecology and naturalist programs.

Campground within Franconia Notch State Park — gateway to glacial geology, White Mountain ecology, and outdoor education in a dramatic alpine setting.

Federal wildlife refuge on the Lower Rio Grande supporting 400+ bird species — covers migratory ecology, coastal habitat, and wildlife conservation biology.

State recreation area centered on a reservoir and dam on the Truckee River — supports hydrology, Great Basin ecology, and desert water-resource geography.

Jefferson County Open Space park along Bear Creek with riparian trail system covering Front Range ecology, wildlife habitat, and watershed biology.

Iowa state park with lake, trails, and ranger programming — covers freshwater ecology, Iowa geology, and outdoor physical education.

Ohio state park centered on a fishing lake with forested trails — freshwater ecology, Ohio wildlife, and outdoor physical education.

National wildlife refuge centered on Lake Andes — migratory waterfowl habitat, wetland ecology, and Great Plains biodiversity.

Federal wildlife refuge visitor contact station on the Missouri River flyway — covers wetland ecology, migratory bird biology, and habitat conservation.

Iowa state park with a 25-acre lake, trails, and wildlife habitat — supports freshwater ecology, bird identification, and outdoor physical education.

Virginia state park on Lake Anna — covers freshwater ecology, geology, and outdoor science in a developed park with ranger programs.

Restored wetland wildlife drive and hiking trails around Lake Apopka — migratory bird ecology, freshwater restoration science, and Florida habitats.

North Texas reservoir state park with prairie and riparian habitats — covers Great Plains ecology, migratory birds, and freshwater biology.

Lakeside butterfly garden at a natural area — supports pollinator ecology, butterfly identification, and plant-insect relationships in an outdoor setting.

Kentucky state resort park on Lake Barkley — hiking, wildlife observation, and aquatic geography provide PE and ecology curriculum hooks.

Louisiana state park set in cypress-tupelo wetlands — covers Southern wetland ecology, freshwater biology, and regional geography.

East Texas state park on a reservoir with trails and wildlife habitat — supports ecology, freshwater biology, and outdoor physical education.

Minnesota state park on the Pembina Trail — covers northern prairie ecology, lake biology, and Great Plains natural history.

Texas state park on Lake Brownwood offering ranger programs, fishing, and habitat study covering freshwater ecology and Texas geography.

Louisiana state park on oxbow Lake Bruin — study of freshwater ecology, riparian habitats, and Mississippi Delta geography.

Minnesota state park on a glacially formed lake with forest and swimming beach — covers glacial geology, freshwater ecology, and outdoor recreation.

Vermont state park on Lake Carmi in the Northern Champlain Valley — supports freshwater lake ecology, wetland biology, and New England natural history.