Classified for credit

Children's garden within the Morton Arboretum — covers plant biology, ecology, and nature-based exploration through hands-on outdoor activities.

Youth-focused garden at Brooklyn Botanic Garden — covers plant life cycles, soil science, and urban horticulture through hands-on gardening activities.

Children's zoo exhibit featuring live animals — introduces zoology, animal adaptations, and basic ecology concepts for young learners.

Outdoor children's garden at Myriad Botanical Gardens with sensory and plant-science play areas designed to introduce young children to botany.

California state park on San Pablo Bay with trails through marsh and oak woodland, plus exhibits on 19th-century Chinese shrimping history.

Southern California state park with oak woodland and grassland trails — covers chaparral ecology, native plant identification, and watershed biology.

Wisconsin state recreation area on a glacial moraine — Pleistocene geology and forest ecology.

James River state park featuring one of Virginia's oldest continuously farmed plantations plus trails, wildlife habitat, and farm-history interpretation.

South Texas reservoir state park — covers semi-arid ecology, reptile and bird biodiversity, and water-resource geography.

Working farm and ornamental gardens on Lake Michigan — plant biology, sustainable agriculture, and seasonal ecology observation.

Large public wildlife management area with forest and reservoir habitat — supports ecology, wildlife biology, orienteering, and Tennessee natural history.

Nature center with trails, wildlife exhibits, and environmental education programs — covers local ecology, native species, and watershed biology.

Federal wildlife refuge along the lower Colorado River with riparian and desert habitats supporting migratory bird study and desert ecology.

Conservation center on Cibolo Creek with nature trails and creek habitat — covers riparian ecology, native species, and Texas Hill Country conservation.

South Texas nature preserve with native habitat — supports Hill Country ecology, plant and wildlife identification, and conservation study.

Formal garden at the Chicago Botanic Garden campus — supports plant taxonomy, botany, and garden design study.

Small municipal zoo with native and exotic animals — introductory zoology and animal adaptation concepts for younger students.

Free outdoor sculpture park in downtown St. Louis featuring works by major contemporary artists — supports art appreciation and public-space civic studies.

Coastal wildlife refuge on Narragansett Bay — covers estuarine habitat, migratory birds, and Rhode Island coastal ecology.

Mississippi River floodplain NWR — covers wetland ecology, migratory bird biology, and riparian habitat conservation.

MSU campus arboretum with labeled woody-plant collections — dendrology, plant taxonomy, and landscape ecology in a self-guided setting.

Five-acre botanic garden with labeled plant collections supporting plant taxonomy, horticulture, and seasonal ecology study.

Urban desert wetland park with 8 miles of trails and a nature center — covers Mojave Desert ecology, riparian habitats, and migratory bird biology.

Undeveloped natural area in the Tunica Hills with waterfalls and diverse hardwood habitat — supports ecology, geomorphology, and field botany.