The National Register of Historic Places is the United States federal government's official list of sites, buildings, structures, districts, and objects deemed worthy of preservation for their histori
Old Slater Mill, a historic district in Pawtucket, Rhode Island, the first property listed in the National Register, on November 13, 1966
S. R. Crown Hall in Chicago, listed under criteria B and C for its association with architect Ludwig Mies van der Rohe and its modernist design
Round barns in Illinois, a multiple property submission to NRHP that includes 18 structures throughout Illinois
A typical black-and-bronze plaque found on properties listed in the NRHP, reading "This Property Has Been Placed on the National Register of Historic Places by the United States Department of the Interior".
A National Historic Landmark is a building, district, object, site, or structure that is officially recognized by the United States government for its outstanding historical significance. Only some 2,
National Register of Historic Places
…properties. Some properties are added automatically to the National Register when they become administered by the National Park Service. These include National Historic Landmarks (NHL), National Historic Landmark Districts (NHLD), National Historic Sites (NHS), National Historical Parks, National Military Parks, national memorials…
Independence National Historical Park in Philadelphia, one of the nation's most visited National Historic Landmark Districts
The Navajo Nation Council Chamber, the seat of government for Navajo Nation in Window Rock, Arizona, was declared a National Historic Landmark in 2004.
The Titan Missile Museum in Tucson, Arizona, a National Historic Landmark
Central Park in New York City, a prominent National Historic Landmark; New York City has 116 NHLs, more than any other city in the U.S.