page_title: National Historic Landmark
hierarchical_section_title: National Historic Landmark
caption_attribution_description: English: Navy photo of USS Constitution under sail for the first time in over a centuryEspañol: El US Constitution, buque insignia de la Armada Americana.
context_page_description: 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 2,500 of over 90,000 places listed on the country's National Register of Historic Places are recognized as National Historic Landmarks.
  A National Historic Landmark District may include contributing properties that are buildings, structures, sites or objects, and it may include non-contributing properties. Contributing properties may or may not also be separately listed.
context_section_description: A National Historic Landmark (NHL) is a building, district, object, site, or structure that is officially recognized by the United States government for its outstanding historical significance. Only some 2,500 (~3%) of over 90,000 places listed on the country's National Register of Historic Places are recognized as National Historic Landmarks.
  A National Historic Landmark District may include contributing properties that are buildings, structures, sites or objects, and it may include non-contributing properties.  Contributing properties may or may not also be separately listed.
caption: USS Constitution
exif: {"Image Orientation": "Horizontal (normal)", "Image XResolution": "300", "Image YResolution": "300", "Image ResolutionUnit": "Pixels/Inch", "Image ExifOffset": "90", "EXIF ExifImageWidth": "2075", "EXIF ExifImageLength": "1596"}