Classified for credit

Federally managed coastal refuge on Florida's Treasure Coast — covers sea turtle nesting ecology, coastal scrub habitat, and conservation biology.

Atlantic coastal wildlife refuge beach with sea turtle nesting habitat — covers coastal ecology, sea turtle biology, and barrier-island geography.

Big Cypress National Preserve visitor center covering Everglades ecology, hydrology, and wildlife of the South Florida wetlands.

Interpretive center on bighorn sheep biology, migration, and Western range ecology.

Northern Virginia botanic garden — covers native plant taxonomy, pollinator ecology, and sustainable horticulture.

USFS visitor center interpreting Great Plains grassland ecology, native species, and land-use history of the Buffalo Gap National Grassland.

Native plant garden within Prospect Park — covers native plant ecology, pollinator biology, and NYC urban green-space conservation.

Native plant garden on historic fort grounds — supports botany, regional ecology, and indigenous plant identification fieldwork.

Curated native plant garden within the New York Botanical Garden — covers Northeast plant ecology, native species identification, and habitat restoration.

Site of Alabama's longest natural bridge — geology, erosion, and Appalachian ecosystem study in an accessible outdoor setting.

Alabama's largest natural bridge formation — covers karst geology, rock erosion processes, and the unique ecology of sheltered sandstone formations.

Wisconsin state park featuring the largest natural sandstone arch in the state — covers karst/sandstone geology, erosion, and woodland ecology.

State park featuring a natural white marble arch — covers glacial geology, karst-adjacent erosion processes, and New England natural history.

Kentucky state park featuring a natural sandstone arch and forest trails — covers geology, erosion, and Appalachian ecology.

Woodland visitor/education center at a Red River Gorge-area state park — supports forest ecology, geology, and Appalachian natural history.

Small zoo adjacent to Natural Bridge featuring exotic and domestic animals, supporting introductory zoology and animal-adaptation study.

Natural Lands Trust preserve in NE Pennsylvania with forested trails and wetlands for biodiversity, ecology, and conservation study.

Natural Lands preserve with forested trails in Chester County — supports field ecology, habitat study, and outdoor physical education.

Natural Lands trust preserve with trails through wetlands and meadows — supports freshwater ecology, native plant identification, and wildlife habitat study.

Natural Lands Trust preserve in Media, PA with meadow and woodland trails — covers native plant ecology, habitat conservation, and southeastern PA natural history.

200-acre PA wildlife sanctuary on a Delaware River bluff — forest ecology and bird observation.

Protected 600-acre preserve with trails and stream habitat — supports field ecology, plant identification, and Chester County watershed study.

County nature and heritage center offering trails, wildlife observation, and environmental education programming in Chesterfield.

Nature center on the Arkansas River — covers riparian ecology, wildlife observation, and environmental science through trails and exhibits.