The Bradford-Loockerman House, Building 1301, Dover Air Force Base, John Bullen House, Carey Farm Site, Christ Church, Delaware State Museum Buildings, John Dickinson House, Dover Green Historic District, Eden Hill, Delaware Governor's Mansion, Greenwold, Hughes-Willis Site, Loockerman Hall, Macomb Farm, Mifflin-Marim Agricultural Complex, Old Statehouse, Palmer Home, Town Point, Tyn Head Court, and Victorian Dover Historic District are listed on the National Register of Historic Places.
The Bradford-Loockerman House, Building 1301, Dover Air Force Base John Bullen House, Carey Farm Site, Christ Church, Delaware State Museum Buildings, John Dickinson House, Dover Green Historic District, Eden Hill, Delaware Governor's Mansion, Greenwold, Hughes-Willis Site, Loockerman Hall Macomb Farm, Mifflin-Marim Agricultural Complex, Old Statehouse, Palmer Home, Town Point, Tyn Head Court, and Victorian Dover Historic District are listed on the National Register of Historic Places