Classified for credit

Small Delaware state park on the Christina River with marsh habitat and open space — supports riparian ecology and local geography units.

Delaware county historical society with local artifacts and records covering Sussex County settlement, colonial, and 19th-century history.

19th-century Delaware governor's mansion — illustrates antebellum political history, plantation-era domestic life, and state governance.

17th-century Swedish Colonial house museum in Wilmington documenting early European settlement and Delaware colonial history.

Small preserved historic village in coastal Delaware — supports mid-Atlantic colonial and 19th-century community history studies.

19th-century wooden covered bridge preserved on original site — illustrates historic bridge engineering and Delaware transportation history.

Small Delaware nature center with trails and wetland habitat — supports local ecology, bird identification, and outdoor education.

Preserved one-room African American schoolhouse from the Freedmen's Bureau era — covers Reconstruction education history and Delaware's African American heritage.

Interpretive center on Dover's historic Green covering Delaware colonial and early American history through the lens of the Bell House site.

Delaware state park with a pond ecosystem, nature trails, and campground infrastructure supporting outdoor biology and PE.

Local heritage museum documenting Laurel, Delaware's agricultural and community history — Delaware social history and primary-source artifacts.

Local history museum in one of Delaware's oldest towns — covers colonial settlement, maritime trade, and regional history.

Small Delaware regional history museum covering Milford's colonial, agricultural, and industrial heritage through artifacts and exhibits.

Small-town Delaware historical society with local artifacts — covers 18th–19th century colonial and maritime history of the region.

One of America's oldest courthouse buildings — covers colonial-era Delaware government, legal history, and early American civic institutions.

Historical society in one of Delaware's oldest colonial towns — covers colonial settlement, Dutch/English governance, and local primary-source history.

Visitor center in colonial New Castle's 1809 Arsenal building — covers Delaware colonial history, early American governance, and the role of New Castle as a colonial port.

Site of Holy Trinity (Old Swedes) Church, built 1698 — covers Swedish colonial settlement, early Delaware history, and colonial-era architecture.

Small Delaware heritage museum documenting Swedish, Finnish, and colonial settlement in the Pencader Hundred region.

Restored Federal-period mansion in historic New Castle — illustrates colonial Delaware merchant life, architecture, and early American social history.

Delaware state forest with managed timber and wildlife habitat — covers forest ecology, silviculture, and native plant identification.

Local historical society museum documenting Rehoboth Beach's development — supports Delaware coastal community history.

Urban Wilmington city park with open green space — suitable for PE credit but limited structured curriculum content.

Small local history museum in Seaford covering Delaware's colonial and agricultural heritage — addresses regional settlement, industry, and community history.