Classified for credit

Working grist mill nature center with pond, trails, and ecology programs — covers mill mechanics, wetland biology, and local natural history.

Delaware Nature Society center with trails, wetlands, and naturalist programming — covers local ecology, wildlife biology, and field science.

Federal wildlife refuge on the Delaware Bay flyway — supports migratory bird biology, wetland ecology, and waterfowl conservation studies with observation towers and trails.

Coastal state park with beach, dunes, and WWII-era Fort Miles — covers coastal ecology, dune geology, and 20th-century military history.

Atlantic coastal beach within Cape Henlopen State Park — coastal ecology, dune formation, tidal biology, and Delaware Bay geography.

Delaware coastal state park with dunes, shorebird habitat, and WWII Fort Miles remains — supports ecology, coastal geology, and environmental science study.

Delaware barrier-island state park with ocean beach and inland bays — covers coastal geology, Atlantic shoreline ecology, and barrier-island formation.

Native plant research garden and arboretum focused on mid-Atlantic flora — covers plant ecology, native species conservation, and botany.

Small zoo and education center with live animals — supports zoology, wildlife biology, and conservation education with hands-on animal interactions.

Delaware state park with riparian trails, rock outcrops, and creek habitat supporting ecology, geology, and outdoor physical education.

Delaware state park with forested trails along Red Clay Creek — covers riparian ecology, native plant identification, and watershed geography.

Delaware state park with forests, trails, and historic Rockwood estate — supports ecology walks, natural history, and outdoor physical education.

Delaware state park along Brandywine Creek with nature center — supports ecology, stream biology, and watershed field study.

State park nature center on Brandywine Creek — covers riparian ecology, native species identification, and watershed biology.

Wilmington city park along Brandywine Creek with trails and riparian habitat — supports stream ecology, local natural history, and outdoor physical education.

Small urban zoo with conservation programs covering vertebrate biology, animal behavior, and regional wildlife species of the Mid-Atlantic.

Delaware Nature Society working farm preserve — sustainable agriculture, native habitat restoration, and farm animal biology.

Family-friendly beach area in Rehoboth with tidal and shoreline wildlife — supports coastal ecology, marine organism observation, and outdoor play.

Native-plant-focused botanical garden on Delaware's coastal plain — supports plant biology, Mid-Atlantic ecology, and conservation studies.

Barrier-island state park on Delaware's Atlantic coast — covers coastal geology, beach ecology, tidal dynamics, and migratory species.

Delaware state park campground on a barrier island — coastal ecology, Atlantic shoreline geology, and estuary habitats accessible via developed beach and bay access.

Delaware Nature Society environmental education center on the Christina River — covers estuary ecology, wetland conservation, and watershed science.

DNREC nature center on Delaware Bay focusing on migratory shorebirds and horseshoe crabs — estuarine ecology and Atlantic flyway biology.

Delaware coastal state park with beach, dunes, and tidal zones — supports coastal ecology, geology, and barrier-island geography studies.