This is a List of National Historic Landmarks in Delaware. There are 14 National Historic Landmarks (NHLs) in Delaware.
They are distributed over the three counties of Delaware. Following is a complete list:
New Castle is a city in New Castle County, Delaware, United States. The city is located six miles (10 km) south of Wilmington and is situated on the Delaware River. As of 2020, the city's population was 5,551.
Buildings, sites, districts, and objects in Delaware listed on the National Register of Historic Places:
Buildings, sites, districts, and objects in New York listed on the National Register of Historic Places:
List of the National Register of Historic Places listings in Delaware County, New York
List of the National Register of Historic Places listings in Herkimer County, New York
This is a list of the National Register of Historic Places listings in Delaware County, Pennsylvania.
This is a list of properties on the National Register of Historic Places in northern New Castle County, Delaware.
Rockland is an unincorporated community in northern New Castle County, Delaware, United States. It lies along Rockland Road north of the city of Wilmington, the county seat of New Castle County. Its elevation is 194 feet (59 m). It has a post office with the ZIP code of 19732. The Rockland Historic District and William Young House are listed on the National Register of Historic Places. Other landmarks Woodley Park and Mount Lebanon United Methodist Church.
This is a list of the National Register of Historic Places listings in Delaware County, Ohio.
This is a list of properties listed on the National Register of Historic Places in Wilmington, Delaware:
This is a list of the National Register of Historic Places listings in Wayne County, Pennsylvania.
The Read House & Gardens is a historic house museum at 42 The Strand in New Castle, Delaware. The house, built in 1797-1804 for George Read, Jr., was the largest and most sophisticated residence in the state at the time, and is a significant early example of high-style Federal period architecture. The adjacent formal gardens were laid out in the late 1840s by William Couper, the house's third owner. The property was designated a National Historic Landmark in 2016, and is part of the landmark New Castle Historic District. The house is now owned and operated by the Delaware Historical Society as a museum.
This is a list of the National Register of Historic Places listings in Delaware County, Indiana.
This is a list of the National Register of Historic Places listings in Blackford County, Indiana.
This is a list of the National Register of Historic Places listings in Henry County, Indiana.
This is a list of the National Register of Historic Places listings in Madison County, Indiana.
This is a list of the National Register of Historic Places listings in Grant County, Indiana.
This is a list of the National Register of Historic Places listings in Union County, Ohio.
This is a list of the National Register of Historic Places listings in southern New Castle County, Delaware.