National Historic Landmark District (NHLD) adalah kawasan geografis yang diakui oleh Pemerintah Amerika Serikat bahwa bangunan, lanskap, budaya, dan sumber arkeologi yang dimilikinya sangatlah penting dan layak dilestarikan.
National Historic Landmark Districts di AS meliputi:
California has 29 NHLs. Seven of these are NHLDs.[1]
Florida memiliki 47 NHL. Empat di antaranya adalah NHLD[3]
New York has 160 NHLs. There are only 10 that qualify as districts.
- Boston Post Road National Historic Landmark District, Rye, New York (1993), 286 acres
- Brooklyn Heights National Historic Landmark District
- Chautauqua National Historic Landmark District, Chautauqua, New York
- Cobblestone National Historic Landmark District, Gaines, New York
- Colonial Niagara National Historic Landmark District, Niagara, New York
- Governors Island National Historic Landmark District
- Hudson River National Historic Landmark District, New York (1990) 22,205 acres
- Huguenot Street National Historic Landmark District, New Paltz, New York
- Hurley National Historic Landmark District, Hurley, New York
- Mohawk Upper Castle National Historic Landmark District
Hawaii has 6 NHLs and only one NHLD.