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List of U.S. National Historic Landmarks by state

(Redirected from List of NHLs)

The United States National Historic Landmark Program is designed to recognize and honor the nation's cultural and historical heritage. The program was formally inaugurated with a series of listings on October 9, 1960; as of August 21, 2020, there are 2,597 designated landmarks. A National Historic Landmark (NHL) is generally a building, district, object, site, or structure, that is officially recognized by the United States government for its national historical significance. A National Historic Landmark District (NHLD) is a historic district that is recognized as an NHL. Its geographic area may include contributing properties that are buildings, structures, sites or objects, and it may include non-contributing properties.

Map of the United StatesList of National Historic Landmarks in AlabamaList of National Historic Landmarks in AlaskaList of National Historic Landmarks in ArizonaList of National Historic Landmarks in ArkansasList of National Historic Landmarks in CaliforniaList of National Historic Landmarks in ColoradoList of National Historic Landmarks in ConnecticutList of National Historic Landmarks in ConnecticutList of National Historic Landmarks in DelawareList of National Historic Landmarks in DelawareList of National Historic Landmarks in the District of ColumbiaList of National Historic Landmarks in FloridaList of National Historic Landmarks in Georgia (U.S. state)List of National Historic Landmarks in HawaiʻiList of National Historic Landmarks in IdahoList of National Historic Landmarks in IllinoisList of National Historic Landmarks in IndianaList of National Historic Landmarks in IowaList of National Historic Landmarks in KansasList of National Historic Landmarks in KentuckyList of National Historic Landmarks in LouisianaList of National Historic Landmarks in MaineList of National Historic Landmarks in MarylandList of National Historic Landmarks in MarylandList of National Historic Landmarks in MassachusettsList of National Historic Landmarks in MassachusettsList of National Historic Landmarks in MichiganList of National Historic Landmarks in MinnesotaList of National Historic Landmarks in MississippiList of National Historic Landmarks in MissouriList of National Historic Landmarks in MontanaList of National Historic Landmarks in NebraskaList of National Historic Landmarks in NevadaList of National Historic Landmarks in New HampshireList of National Historic Landmarks in New HampshireList of National Historic Landmarks in New JerseyList of National Historic Landmarks in New JerseyList of National Historic Landmarks in New MexicoList of National Historic Landmarks in New YorkList of National Historic Landmarks in North CarolinaList of National Historic Landmarks in North DakotaList of National Historic Landmarks in OhioList of National Historic Landmarks in OklahomaList of National Historic Landmarks in OregonList of National Historic Landmarks in PennsylvaniaList of National Historic Landmarks in Rhode IslandList of National Historic Landmarks in Rhode IslandList of National Historic Landmarks in South CarolinaList of National Historic Landmarks in South DakotaList of National Historic Landmarks in TennesseeList of National Historic Landmarks in TexasList of National Historic Landmarks in UtahList of National Historic Landmarks in VermontList of National Historic Landmarks in VermontList of National Historic Landmarks in VirginiaList of National Historic Landmarks in Washington (state)List of National Historic Landmarks in West VirginiaList of National Historic Landmarks in West VirginiaList of National Historic Landmarks in WisconsinList of National Historic Landmarks in Wyoming
Click on a state to see a list of the National Historic Landmarks in that state.

The program is administered by the National Park Service (NPS), a branch of the Department of the Interior. The National Park Service determines which properties meet NHL criteria and makes nomination recommendations after an owner notification process.[1] The secretary of the interior reviews nominations and, based on a set of predetermined criteria, makes a decision on NHL designation or a determination of eligibility for designation.[2] Both public and privately owned properties can be designated as NHLs. This designation provides indirect, partial protection of the historic integrity of the properties via tax incentives, grants, monitoring of threats, and other means.[1] Owners may object to the nomination of the property as an NHL. When this is the case the secretary of the interior can only designate a site as eligible for designation.[2]

All NHLs are also included on the National Register of Historic Places (NRHP), a list of some 80,000 historic properties that the National Park Service deems to be worthy of recognition. The primary difference between an NHL and a NRHP listing is that the NHLs are determined to have national significance, while other NRHP properties are deemed significant at the local or state level.[1]

Tabular listing

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Most landmark designations are in one of the 50 states. New York is the state with the most (270), and New York City, with 114 designations, is the city with the largest number of designations. Of the states, North Dakota has the fewest designations with seven. Three cities (New York City, Philadelphia, and Boston) have enough listings to warrant lists separate from their respective states.

A small number of designations have been made outside the 50 states. Most of these appear in United States possessions. The Virgin Islands have five listings, Puerto Rico has four, and island possessions in the South Pacific have six. Five listings are found in Pacific island nations with which the U.S. has established a free association agreement, and one listing, the American Legation in Tangier (the nation's first foreign public property), is found in the unaffiliated Kingdom of Morocco.

State or
region 		Number of
landmarks 		Earliest
declared[3] 		Latest
declared[3] 		Example
Alabama 39 October 9, 1960 January 13, 2021  
Alaska 50 January 20, 1961 December 23, 2016  
Arizona 47[4][5] October 9, 1960 December 23, 2016  
Arkansas 17 October 9, 1960 July 31, 2003  
California 146[6][5] October 9, 1960 December 11, 2023  
Colorado 28[7] December 19, 1960 December 11, 2023  
Connecticut 65 October 9, 1960 December 11, 2023  
Delaware 14 January 20, 1961 December 23, 2016  
Florida 47 October 9, 1960 January 13, 2021  
Georgia 49 January 20, 1961 July 21, 2015  
Hawaii 33 December 29, 1962 March 29, 2007  
Idaho 11[8] October 9, 1960 December 11, 2023  
Illinois 88[9] October 9, 1960 December 11, 2023  
Indiana 44 October 9, 1960 December 11, 2023  
Iowa 28[10] June 30, 1960 December 11, 2023  
Kansas 26 December 19, 1960 December 23, 2016  
Kentucky 32[11] December 19, 1960 February 27, 2013  
Louisiana 53 October 9, 1960 July 21, 2015  
Maine 44 October 9, 1960 August 25, 2014  
Maryland 76[12] October 9, 1960 January 13, 2021  
Massachusetts
(Boston alone) 		192
(57) 		October 9, 1960 December 11, 2023  
Michigan 42 October 9, 1960 January 13, 2021  
Minnesota 25 December 19, 1960 June 23, 2011  
Mississippi 40[13] July 19, 1964 February 16, 2017  
Missouri 37[9] October 9, 1960 March 29, 2007  
Montana 28[8][14] October 9, 1960 July 21, 2015  
Nebraska 22 December 19, 1960 January 13, 2021  
Nevada 8[4] January 20, 1961 October 16, 2012  
New Hampshire 23 October 9, 1960 February 27, 2013  
New Jersey 58[15][16] October 9, 1960 August 25, 2014  
New Mexico 46[7] October 9, 1960 October 16, 2012  
New York
(New York City alone) 		276[15][17]
(116) 		October 9, 1960 January 13, 2021  
North Carolina 39 November 5, 1961 December 23, 2016  
North Dakota 7[14] July 4, 1961 December 23, 2016  
Ohio 76[11][18] October 9, 1960 December 23, 2016  
Oklahoma 22 December 19, 1960 February 27, 2013  
Oregon 17[6][19] January 20, 1961 July 25, 2011  
Pennsylvania
(Philadelphia alone) 		169[16][18][17]
(67) 		January 20, 1961 December 23, 2016  
Rhode Island 45 October 9, 1960 October 16, 2012  
South Carolina 76 October 9, 1960 March 29, 2007  
South Dakota 16[10] July 4, 1961 June 17, 2011  
Tennessee 32[13] October 9, 1960 December 23, 2023  
Texas 50 December 19, 1960 December 11, 2023  
Utah 14 January 20, 1961 June 23, 2011  
Vermont 18 September 22, 1960 August 25, 2014  
Virginia 123 October 7, 1960 January 13, 2021  
Washington 24[19] July 4, 1961 August 19, 2008  
West Virginia 17 July 19, 1964 December 11, 2023  
Wisconsin 45 October 9, 1960 December 11, 2023  
Wyoming 28 December 19, 1960 December 11, 2023  
District of Columbia 76[12] December 19, 1960 December 11, 2023  
U.S. Commonwealths
and Territories[20] 		17 October 9, 1960 March 11, 2013  
Associated States[21] 5 December 17, 1982 September 16, 1985  
Foreign States[22] 1 December 17, 1982 December 17, 1982  
Duplicates (20)
Total 2,633 June 30, 1960 December 11, 2023

Notes

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  1. ^ a b c "National Historic Landmarks Program: Questions and Answers". National Historic Landmarks Program. National Park Service. Retrieved September 21, 2007.
  2. ^ a b "Title 36 of the Code of Federal Regulations, Part 65". US Government Printing Office. Archived from the original on February 17, 2012. Retrieved April 5, 2008.
  3. ^ a b National Park Service (June 2011). "National Historic Landmarks Survey: List of National Historic Landmarks by State" (PDF). Archived from the original (PDF) on November 5, 2011. Retrieved July 4, 2011.
  4. ^ a b Hoover Dam overlaps and is counted in both Arizona and Nevada.
  5. ^ a b Yuma Crossing and Associated Sites included in both Arizona and California
  6. ^ a b Lower Klamath National Wildlife Refuge included in California and Oregon
  7. ^ a b Raton Pass and Denver & Rio Grande Railroad San Juan Extension included in Colorado and New Mexico.
  8. ^ a b Lemhi Pass and Lolo Trail appear in Idaho and in Montana.
  9. ^ a b Eads Bridge overlaps and is counted in both Illinois and Missouri
  10. ^ a b Blood Run Site included in Iowa and South Dakota
  11. ^ a b Covington and Cincinnati Suspension Bridge included in Kentucky and Ohio
  12. ^ a b Washington Aqueduct included in both Maryland and Washington, D.C.
  13. ^ a b Siege and Battle of Corinth Sites included in Mississippi and Tennessee
  14. ^ a b Fort Union Trading Post included in both Montana and North Dakota.
  15. ^ a b Holland Tunnel and Palisades Interstate Park included in both New Jersey and New York
  16. ^ a b Minisink Archeological Site and Washington's Crossing included in New Jersey and Pennsylvania
  17. ^ a b Delaware and Hudson Canal included in New York and Pennsylvania
  18. ^ a b Beginning Point of the U.S. Public Land Survey included in Ohio and Pennsylvania.
  19. ^ a b Bonneville Dam Historic District included in Oregon and Washington
  20. ^ The U.S. Commonwealths and Territories having NHLs are: American Samoa (with 2), Midway Islands (1), Northern Mariana Islands (2), Puerto Rico (6), Virgin Islands (5), and Wake Island (1).
  21. ^ The Associated States having NHLs are Marshall Islands (with 2), Federated States of Micronesia (2), and Palau (1).
  22. ^ The only foreign state having a U.S. NHL is Morocco (with 1 NHL).

References

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