Classified for credit

Campground adjacent to Theodore Roosevelt National Park — serves as base for badlands ecology and geography exploration.

Bottomland hardwood forest and lake state park with ranger programs — covers forest ecology, wetland biology, and native wildlife observation.

Tennessee state park nature center near Mississippi River bottomlands — forest ecology, wildlife biology, and wetland habitat programs.

Meerkat habitat exhibit at Philadelphia Zoo — supports animal behavior, social ecology, and African savanna biome study.

Whidbey Island rhododendron garden and woodland preserve — supports botany, plant taxonomy, and Pacific Northwest plant ecology.

Federal wildlife refuge along the Iowa River corridor — wetland ecology, migratory bird identification, and conservation biology.

Hammonasset Beach State Park nature center with coastal ecology exhibits, tide pool access, and wildlife observation along the Connecticut shoreline.

Public botanic garden with 96 acres of themed gardens — plant taxonomy, horticulture, and native plant ecology.

Memphis city botanic garden with themed gardens and plant collections — plant taxonomy, horticulture, and seasonal ecology.

City park on Lake Winnebago with small zoo and natural areas — supports basic ecology and outdoor biology observation.

Free municipal zoo with native and exotic animals — supports zoology, animal behavior, and conservation awareness.

Suburban nature preserve with trails along the Milwaukee River — field botany, riparian ecology, and wildlife observation.

Federally managed Central Valley wetland refuge supporting migratory bird study, waterfowl ecology, and refuge management curriculum.

Harris County botanic garden with extensive plant collections — plant taxonomy, native Texas species, and horticultural science.

Blackwater swamp state park with old-growth forest and cypress millpond — covers wetland ecology, native flora, and NC natural history.

Central Texas Hill Country state park on Bosque Creek — limestone geology, Texan flora and fauna, hiking, and freshwater ecology.

State-managed wildlife sanctuary on the Patuxent River — migratory bird ecology, wetland biology, and Chesapeake Bay watershed studies.

Mississippi River state park with backwater habitat — riverine ecology, freshwater biology, and Wisconsin geography field study.

Nebraska Sandhills reservoir area providing freshwater ecology, migratory bird observation, and Great Plains geography.

Community nature center with gardens and wooded trails near Camden — supports plant identification, woodland ecology, and Maine coastal natural history.

Rhode Island state park with ponds, trails, and open meadows — supports basic ecology study, wildlife observation, and physical education.

Rio Grande bosque state park with cottonwood forest and desert riparian habitat — New Mexico ecology, migratory birds, and river geography.

Urban botanical garden featuring tropical and subtropical plants — supports plant biology, horticulture, and South Florida ecosystem study.

Indiana state recreation area along the Mississinewa Reservoir — covers Midwestern freshwater ecology, riparian biology, and outdoor recreation skills.