Classified for credit

Yale University's working botanical research garden — plant taxonomy, ecology, and horticultural science for older students.

1,705-acre state park with lake, wetlands, and woodland trails — supports ecology, freshwater biology, and outdoor PE.

Wetland nature center on Horicon Marsh — migratory bird ecology, wetland biology, and conservation science in a major North American flyway.

Chesapeake Bay estuarine nature center — covers tidal wetland ecology, migratory birds, and watershed biology with hands-on outdoor programs.

Community nature sanctuary in Liberty, MO with trails and an education center — covers Missouri native plant and animal ecology and conservation.

East Texas reservoir state park with forested trails and lake habitat — supports freshwater ecology, native plant identification, and outdoor PE.

East Texas reservoir state park with diverse bird and wildlife habitat — covers freshwater ecology, migratory bird identification, and wetland biology.

Urban nature center with trails, wildlife exhibits, and ranger programming — supports local ecology, animal biology, and outdoor science skills.

Urban nature center with trails, wildlife exhibits, and live animals — Oklahoma wildlife ecology and habitat conservation for K–8 learners.

Maryland state park on the Choptank River — covers tidal freshwater ecology, fishing biology, and Chesapeake watershed geography.

Delaware Nature Society salt-marsh preserve with trails — covers tidal wetland ecology, estuarine biology, and coastal conservation.

Historic hand-carved carousel inside the St. Louis Zoo featuring native wildlife figures — supports conservation awareness alongside zoo ecology programming.

Indiana Audubon Society sanctuary with diverse habitats — supports bird identification, ornithology, and native woodland and wetland ecology.

Combined arboretum and quartzite outcrop historic site in Sioux Falls — covers dendrology, native plants, and the geology and history of the East Sioux Falls quarry.

Community nature center with wildlife exhibits and outdoor trails — supports local ecology, wildlife biology, and environmental science objectives.

Mobile petting zoo and pony ride service — introduces basic animal husbandry and domestic animal biology at an age-appropriate level.

Washington state park on the Columbia River with dramatic basalt cliffs — supports Columbia River geology, native riparian habitats, and Pacific Northwest geography.

Scenic waterfall at Camp Creek State Park in WV — covers Appalachian geology, watershed ecology, and outdoor field skills.

Connecticut state park with forest trails, a pond, and camping — supports ecology, native species identification, and outdoor physical education.

Virginia state park on Mason Neck peninsula — notable bald eagle habitat with trails covering Potomac River ecology and raptor biology.

Urban estuary education center on the Patapsco River — covers Chesapeake Bay ecology, water quality, and urban wildlife conservation.

Mass Audubon wildlife sanctuary with guided and self-guided trails — supports ornithology, forest ecology, and field biology observation.

Mass Audubon wildlife sanctuary with self-guided trails — bird identification, native plant ecology, and habitat conservation in a protected woodland.

Mass Audubon wildlife sanctuary with wetlands and meadow trails — field ecology, bird identification, and riparian habitat study.