Designation Bordered version Scope Count Valid <designation> values (Callnames)
U.S. National Register of Historic Places United States >80,000 National Register of Historic Places; NRHP
U.S. National Historic Landmark United States ~2,450 National Historic Landmark; U.S. National Historic Landmark; US National Historic Landmark; NRHP-NHL; NHL
U.S. Historic district United States ??? United States Historic District; U.S. Historic District; US Historic District; Historic District; NRHP-HD; HD
U.S. Historic district
Contributing property
United States ??? United States Contributing Property; U.S. Contributing Property; US Contributing Property; Contributing Property; NRHP-CP; CP
U.S. National Historic Landmark District United States ~200 U.S. National Historic Landmark District; US National Historic Landmark District; National Historic Landmark District; NRHP-NHLD; NHLD
U.S. National Monument United States 93 U.S. National Monument; US National Monument; National Monument; NRHP-NMON; NMON
U.S. National Historic Site United States 89 U.S. National Historic Site; US National Historic Site; National Historic Site; NRHP-NHS; NHS
U.S. National Memorial United States 44 U.S. National Memorial; US National Memorial; National Memorial; NRHP-NMEM; NMEM
U.S. National Historical Park United States 42 U.S. National Historical Park; US National Historical Park; National Historical Park; NRHP-NHP; NHP
U.S. National Battlefield United States 11 U.S. National Battlefield; US National Battlefield; National Battlefield; NRHP-NB; NB
U.S. National Military Park United States 9 U.S. National Military Park
U.S. National Natural Landmark United States ??? U.S. National Natural Landmark; US National Natural Landmark; National Natural Landmark; NNL
National Wild and Scenic River United States ??? National Wild and Scenic Rivers System; NWSRS; National Wild and Scenic River; NWSR