Classified for credit

Audubon-managed wildlife refuge with trails — covers bird identification, habitat conservation, and New England forest ecology.

Urban nature center with wetland trails and wildlife exhibits — covers Gulf Coast ecology, wetland biology, and Louisiana native species.

Audubon-affiliated museum and nature center honoring John James Audubon's Kentucky years — covers ornithology, wildlife illustration, and native bird ecology.

North Dakota NWR on Lake Audubon — migratory bird ecology, prairie wetland biology, and federal wildlife conservation programs.

Riparian nature preserve along the Colorado River corridor — supports bird observation, riparian ecology, and high-desert biology.

Audubon wildlife sanctuary with trails and naturalist programming — covers bird identification, forest ecology, and wildlife conservation.

Audubon Society headquarters with nature trails and wildlife sanctuary — supports bird biology, habitat ecology, and conservation curriculum.

Audubon Vermont sanctuary with trails and education programs — bird identification, forest ecology, and Vermont wildlife conservation.

Audubon Society sanctuary on the Savannah River floodplain — supports migratory bird ecology, wetland biology, and riparian habitat conservation study.

Missouri Department of Conservation area with wetlands, upland fields, and forest — supports wildlife management, habitat ecology, and hunting/fishing conservation education.

MetroPark-managed garden with native plantings, woodland trails, and restored natural areas — supports botany and Ohio ecology studies.

Rescue-focused Austin Zoo with exotic and domestic animals — wildlife conservation, animal behavior, and basic zoology for all ages.

Australian-themed section of the Fort Wayne Children's Zoo — supports animal biology, geography, and conservation through themed exhibits.

Self-guided auto tour through Charles M. Russell NWR — wildlife observation, prairie ecology, and Great Plains geography.

Nature preserve and heritage center with trails and historical mill site — covers native ecology, Georgia history, and environmental stewardship.

Botanical garden in the Ouachita Mountains of Arkansas — plant taxonomy, native Ozark flora, and horticultural science in a structured garden setting.

Cape May Bird Observatory hawk-watch platform during fall migration — covers raptor identification, migration biology, and citizen science data collection.

Barrier-island state park on Florida's Atlantic coast — coastal ecology, dune systems, sea turtle habitat, and intertidal biology.

Indiana botanical garden and nursery — covers plant diversity, horticulture, and garden ecosystem relationships.

Cincinnati Park Board nature center — urban woodland ecology and naturalist programs.

Urban arboretum with labeled tree collections and natural habitats — plant science, urban ecology, and Philadelphia natural history.

Public botanical garden in Winter Park with azalea collections and wetland habitats — supports plant biology, garden ecology, and Florida native species study.

West Virginia state park campground adjacent to Glade Creek and a historic grist mill — forest ecology, Appalachian geology, and river biology in a developed park setting.

Federal wildlife refuge in the San Luis Valley — high-desert wetland ecology, migratory waterfowl biology, and Rocky Mountain geography.