This is a list of all the National Monuments in the United States. National Monuments are managed by four U.S. Government agencies; the National Park Service, U.S. Bureau of Land Management and the U.S. Fish and Wildlife Service, under the U.S. Department of the Interior, and the U.S. Forest Service, under the U.S. Department of Agriculture.

List of National Monuments

There are 75 National Monuments in the National Park Service system with a total area of 2,157,574 acres (8,731.4 km²).^[1] There are also 21 additional National Monuments managed by the National Oceanic and Atmospheric Administration, Armed Forces Retirement Home, Bureau of Land Management, U.S. Fish and Wildlife Service, and US Forest Service

National Monument Name	Photo	Agency	Location	Year Formed	Description
Admiralty Island		USFS	Alaska 57°38′30″N 134°20′43″W / 57.641667, -134.345278 (Admiralty Island)	01978-12-01 December 1, 1978	Part of Tongass National Forest, this island has more bears than the entire lower 48 states
African Burial Ground		NPS	New York 40°42′52″N 74°00′15″W / 40.714444, -74.004167 (African Burial Ground)	02006-02-27 February 27, 2006	A former burial ground containing the remains of over 400 Africans buried during the 17th and 18th centuries. It was discovered in 1991 during excavations for a new Federal building.
Agate Fossil Beds		NPS	Nebraska 42°24′59″N 103°43′42″W / 42.416389, -103.728333 (Agate Fossil Beds)	01997-06-14 June 14, 1997	Known for the large number of well-preserved Miocene mammal fossils which date from about 20 million years ago
Agua Fria National Monument		BLM	Arizona 34°09′15″N 112°04′35″W / 34.154167, -112.076389 (Agua Fria)	02000-01-11 January 11, 2000	Contains over 450 distinct Native American structures, including large pueblos with more than 100 rooms.
Alibates Flint Quarries		NPS	Texas 35°34′17″N 101°40′03″W / 35.571389, -101.6675 (Alibates Flint Quarries)	01965-08-21 August 21, 1965	The quarry site for high quality, rainbow-hued flint which was distributed throughout the Great Plains in pre-contact times.
Aniakchak		NPS	Alaska 56°54′N 158°09′W / 56.9, -158.15 (Anikchak)	01978-12-01 December 1, 1978	Mount Aniakchak and the surrounding region is one of the least visited NPS sites
Aztec Ruins		NPS	New Mexico 36°50′09″N 107°59′53″W / 36.835833, -107.998056 (Aztec Ruins)	01923-01-24 January 24, 1923	Contains Pueblo structures from the 11th to 13th centuries which were misidentified by early American settlers as Aztec
Bandelier		NPS	New Mexico 35°46′44″N 106°16′16″W / 35.778889, -106.271111 (Bandelier)	01916-02-11 February 11, 1916	Frijoles Canyon contains a number of Ancestral Pueblo homes, kivas, rock paintings and petroglyphs.
Booker T. Washington		NPS	Virginia 37°07′24″N 79°45′57″W / 37.123333, -79.765833 (Booker T. Washington)	01956-04-02 April 2, 1956	The tobacco farm on which educator and leader Booker T. Washington was born into slavery
Buck Island Reef		NPS	Virgin Islands 17°47′13″N 64°37′09″W / 17.786944, -64.619167 (Buck Island Reef)	01961-12-28 December 28, 1961	An uninhabited island with a large elkhorn coral barrier reef that provides cover for a great variety of reef fish, sea turtles and Least Terns. It also includes a popular snorkelling underwater trail.
Cabrillo		NPS	California 32°40′23″N 117°14′19″W / 32.673056, -117.238611 (Cabrillo)	01913-10-14 October 14, 1913	Commemorates the landing of Juan Rodríguez Cabrillo at San Diego Bay on September 28, 1542. It was the first European expedition on what later became the west coast of the United States
California Coastal National Monument		BLM	California 37°46′00″N 122°26′00″W / 37.766667, -122.433333 (California Coastal)	02000-01-11 January 11, 2000	Ensures the protection of all islets, reefs and rock outcroppings from the coast of California to a distance of 12 nautical miles (22.22 km), along the entire 840 mile (1,351 km) long California coastline.
Canyon de Chelly		NPS	Arizona 36°08′01″N 109°28′10″W / 36.133611, -109.469444 (Canyon de Chelly)	01931-04-01 April 1, 1931	Preserves the valleys and rims of the canyons of de Chelly, del Muerto, and Monument, all of which is Navajo Tribal Trust Land
Canyons of the Ancients National Monument		BLM	Colorado 37°22′14″N 109°00′00″W / 37.370556, -109 (Canyon of the Ancients)	02000-06-09 June 9, 2000	Surrounds Hovenweep National Monument, it preserves and protects over 6,000 archeological sites, the largest concentration in the United States.
Cape Krusenstern		NPS	Alaska 67°24′48″N 163°30′01″W / 67.413333, -163.500278 (Cape Krusenstern)	01978-12-01 December 1, 1978	Colocated with the NHLD 'Cape Krusenstern Archeological District, this coastal plain contains large lagoons and rolling hills of limestone. The bluffs record thousands of years of change in the shorelines of the Chukchi Sea, as well as evidence of some 9,000 years of human habitation
Capulin Volcano		NPS	New Mexico 36°47′20″N 103°57′42″W / 36.788889, -103.961667 (Capulin Volcano)	01916-08-09 August 9, 1916	An example of an extinct cinder cone volcano that is part of the Raton-Clayton Volcanic Field
Carrizo Plain National Monument		BLM	California 35°10′00″N 119°45′00″W / 35.166667, -119.75 (Carrizo Plain)	02001-01-12 January 12, 2001	the largest single native grassland remaining in California
Casa Grande Ruins		NPS	Arizona 32°59′39″N 111°32′17″W / 32.994167, -111.538056 (Casa Grande Ruins)	01892-06-22 June 22, 1892	Preserves a group of multiple Hohokam structures
Cascade-Siskiyou National Monument		BLM	Oregon	02000-06-09 June 9, 2000	One of the most diverse ecosystems found in the Cascade Range also has more than 100 dwelling and root-gathering sites belonging to the Modoc, Klamath, and Shasta tribes
Castillo de San Marcos		NPS	Florida 29°53′52″N 81°18′41″W / 29.897778, -81.311389 (Castillo de San Marcos)	01924-10-15 October 15, 1924	This Spanish fort served for 205 years of service, under five different flags.
Castle Clinton		NPS	New York 40°42′13″N 74°01′01″W / 40.703611, -74.016944 (Castle Clinton)	01946-08-12 August 12, 1946	A circular sandstone fort now located in Battery Park at the southern tip of Manhattan. It subsequently became a beer garden, a theater, the first immigration station (predating Ellis Island) and a very popular public aquarium.
Cedar Breaks		NPS	Utah 37°38′00″N 112°51′00″W / 37.633333, -112.85 (Cedar Breaks)	01933-08-22 August 22, 1933	A natural amphitheater canyon similar to formations at Bryce Canyon National Park
Chiricahua		NPS	Arizona 32°01′04″N 109°20′54″W / 32.017778, -109.348333 (Chiricahua)	01924-04-18 April 18, 1924	Preserves the remains of an immense volcanic eruption that shook the region some 27 million years ago
Colorado		NPS	Colorado 39°02′33″N 108°41′10″W / 39.0425, -108.686111 (Colorado)	01911-05-24 May 24, 1911	A semi-desert land high on the Colorado Plateau. The area hosts a wide range of wildlife, including pinyon pines, juniper trees, ravens, jays, Desert Bighorn Sheep, and coyotes as well as a range of recreational activities.
Craters of the Moon		NPS	Idaho 43°25′00″N 113°31′00″W / 43.416667, -113.516667 (Craters of the Moon)	01924-05-02 May 2, 1924	One of the best preserved flood basalt areas in the continental United States
Devils Postpile		NPS	California 37°35′59″N 119°04′52″W / 37.599722, -119.081111 (Devils Postpile)	01911-05-06 May 6, 1911	a dark cliff of columnar basalt created by a lava flow at least 100,000 years ago
Devils Tower		NPS	Wyoming 44°35′25″N 104°42′55″W / 44.590278, -104.715278 (Devils Tower)	01906-09-24 September 24, 1906	a monolithic igneous intrusion or volcanic neck rising dramatically 1267 ft (386 m) above the surrounding terrain
Dinosaur		NPS	Colorado, Utah 40°32′00″N 108°59′00″W / 40.533333, -108.983333 (Dinosaur)	01915 1915	a sandstone and conglomerate bed of alluvial or river bed origin known as the Morrison Formation from the Jurassic Period contains fossils of dinosaurs including Allosaurus and various long-neck, long-tail sauropods.
Effigy Mounds		NPS	Iowa 43°05′19″N 91°11′08″W / 43.088611, -91.185556 (Effigy Mounds)	01949-10-25 October 25, 1949	preserves three prehistoric sites with 206 Prehistoric mounds, notable for 31 unusual mounds in the shape of mammals, birds, or reptiles
El Malpais		NPS	New Mexico 34°52′38″N 108°03′03″W / 34.877222, -108.050833 (El Malpais)	01987-12-31 December 31, 1987	An extremely rough, rugged lava flow covers much of the park, filling a large basin rimmed by higher sandstone that forms large, wind-carved bluffs. It has many lava tubes
El Morro		NPS	New Mexico 35°02′18″N 108°21′12″W / 35.038333, -108.353333 (El Morro)	01906-12-08 December 8, 1906	On the site of an ancient east-west trail is a great sandstone promontory with a pool of water at its base. There are inscriptions from the 17th century as well as older petroglyphs
Florissant Fossil Beds		NPS	Colorado 38°55′05″N 105°16′03″W / 38.918056, -105.2675 (Florissant Fossil beds)	01969-08-20 August 20, 1969	Huge petrified redwoods and incredibly detailed fossils of ancient insects and plants reveal a very different landscape in Colorado of almost 35 million years ago
Fort Frederica		NPS	Georgia 31°13′26″N 81°23′36″W / 31.223889, -81.393333 (Fort Frederica)	01936-05-26 May 26, 1936	Preserves the archaeological remnants of a fort and town built by James Oglethorpe between 1736 and 1748 to protect the southern boundary of the British colony of Georgia from Spanish raids.
Fort Matanzas		NPS	Florida 29°42′55″N 81°14′21″W / 29.715278, -81.239167 (Fort Matanzas)	01924-10-15 October 15, 1924	A 1740 Spanish fort which guarded Matanzas Inlet, the southern mouth of the Matanzas River, which was allowed access to St. Augustine. Managed in conjunction with Castillo de San Marcos National Monument
Fort McHenry		NPS	Maryland 39°15′48″N 76°34′48″W / 39.263273, -76.579913 (Fort McHenry)	01925-03-03 March 3, 1925	A star shaped fort best known for its role in the War of 1812 when it successfully defended Baltimore Harbor from an attack by the British navy. It inspired Francis Scott Key to write "The Star-Spangled Banner,"
Fort Moultrie		NPS	South Carolina 32°45′34″N 79°51′28″W / 32.759444, -79.857778 (Fort Moultrie)	01948 1948	A series of forts on Sullivan's Island, built to protect the city of Charleston. The first fort, built of palmetto logs, inspired the flag and nickname (Palmetto State) of South Carolina.
Fort Pulaski		NPS	Georgia 32°01′38″N 80°53′25″W / 32.027222, -80.890278 (Fort Pulaski)	01924-10-15 October 15, 1924	During the American Civil War, in 1862, the Union Army successfully tested a rifled cannon against the defending Confederates, rendering brick fortifications obsolete. The fort was also used as a prisoner-of-war camp during the war.
Fort Stanwix		NPS	New York 43°13′07″N 75°27′32″W / 43.218611, -75.458889 (Fort Stanwix)	1935	Guarded a portage known as the Oneida Carrying Place during the French and Indian War. In 1768, the Treaty of Fort Stanwix was negotiated between the British and the Iroquois, which led to further hostilities. It fell into ruin and was rebuilt in the late 1970's.
Fort Sumter		NPS	South Carolina 32°45′08″N 79°52′29″W / 32.752222, -79.874722 (Fort Sumter)	01948-04-28 April 28, 1948	A Third System masonry coastal fortification located in Charleston harbor, South Carolina. It is best known as the site where the shots initiating the American Civil War were fired, at the Battle of Fort Sumter.
Fort Union		NPS	New Mexico 35°55′30″N 105°00′31″W / 35.925, -105.008611 (Fort Union)	01956-04-05 April 5, 1956	A frontier military post and supply depot, it sat at the intersection of the Mountain and Cimarron Branches of the old Santa Fe Trail
Fossil Butte		NPS	Wyoming 41°51′52″N 110°46′33″W / 41.864444, -110.775833 (Fossil Butte)	01972-10-23 October 23, 1972	Preserves the best paleontological record of Tertiary aquatic communities in North America and possibly the world, within the 50-million-year-old Green River lake beds
George Washington Birthplace		NPS	Virginia 38°11′10″N 76°55′50″W / 38.186111, -76.930556 (George Washington's Birthplace)	01930-01-23 January 23, 1930	Representative of 18th-century Virginia tobacco farms, this site is the birthplace and boyhood environment of George Washington.
George Washington Carver		NPS	Missouri 36°59′11″N 94°21′15″W / 36.986361, -94.354191 (George Washington Carver)	01943-07-14 July 14, 1943	The Moses Carver farm where George Washington Carver was born into slavery. It was the first national monument dedicated to an African-American and first to a non-President.
Giant Sequoia National Monument		USFS	California 36°02′24″N 118°30′16″W / 36.04, -118.504444 (Giant Sequoia National Monument)	02000-04-15 April 15, 2000	The monument includes 38 of the 39 Giant Sequoia groves in the Sequoia National Forest which amounts to about half of the sequoia groves currently in existence, including one of the ten largest Giant Sequoias, the Boole Tree. It surrounds and connects Kings Canyon and Sequoia National Parks.
Gila Cliff Dwellings		NPS	New Mexico 33°14′25″N 108°16′51″W / 33.240278, -108.280833 (Gila Cliff Dwellings)	01907-11-16 November 16, 1907	The people of the Mogollon culture lived in these cliff dwellings from the 1280s through the early 1300s
Governors Island		NPS	New York 40°41′29″N 74°00′58″W / 40.691389, -74.016111 (Governors Island)	02001-01-19 January 19, 2001	From 1783 to 1966, this fortified island in New York Harbor was a Army post then from 1966 to 1996 it was a Coast Guard installation.
Grand Canyon-Parashant National Monument		BLM	Arizona 36°24′N 113°42′W / 36.4, -113.7 (Grand Canyon-Parashant)	02000-01-11 January 11, 2000	Located near the northern rim of the Grand Canyon, this is an impressive and diverse landscape that includes an array of scientific and historic resources. There are no paved roads or visitor services.
Grand Portage		NPS	Minnesota 47°57′44″N 89°41′05″W / 47.962222, -89.684722 (Grant Portage)	01960-01-27 January 27, 1960	A footpath which bypasses a set of waterfalls on the Pigeon River near Lake Superior. This was a vital trade route and center of fur trade activity as well as Anishinaabeg Ojibwe heritage.
Grand Staircase-Escalante National Monument		BLM	Utah 37°24′00″N 111°41′00″W / 37.4, -111.683333 (Grand Staircase-Escalante)	01996-09-16 September 16, 1996	The Grand Staircase, the Kaiparowits Plateau, and the Canyons of the Escalante form this monument which is larger than the state of Delaware. It is notable for its paleontological finds and geology.
Hagerman Fossil Beds		NPS	Idaho 42°47′25″N 114°56′43″W / 42.790278, -114.945278 (Hagerman Fossil Beds)	1988|11|18}}	Protects the world's richest known fossil deposits from a time period called the late Pliocene epoch, 3.5 million years ago. These plants and animals represent the last glimpse of time that existed before the Ice Age, and the earliest appearances of modern flora and fauna.
Hanford Reach National Monument		FWS	Washington 46°29′00″N 119°32′00″W / 46.483333, -119.533333 (Hanford Reach)	02000-06-08 June 8, 2000	Created from what used to be the security buffer surrounding the Hanford Nuclear Reservation, this area has been untouched by development or agriculture since 1943.
Hohokam Pima		NPS	Arizona 33°11′44″N 111°54′49″W / 33.195556, -111.913611 (Hohokam Pima)	01972-10-21 October 21, 1972	Part of the [Gila River Indian Community, and not open to the public. The monument preserves the Snaketown-Settlement, archaeological remains of the Hohokam culture.
Homestead		NPS	Nebraska 40°17′07″N 96°49′19″W / 40.28525, -96.821911 (Homestead)	01936-03-19 March 19, 1936	Daniel Freeman's homestead was recognized by the United States Congress as the first homestead in the nation obtained through the Homestead Act of 1862.
Hovenweep		NPS	Colorado, Utah 37°23′02″N 109°04′38″W / 37.383889, -109.077222 (Hovenweep)	01923-03-02 March 2, 1923	Six clusters of Native American ruins. Adjacent to Canyon of the Ancients
Ironwood Forest National Monument		BLM	Arizona <span class="geo-dms.html" title="Maps, aerial photos, and other data for Expression error: Unexpected < operator°Expression error: Unexpected < operator′Expression error: Unexpected < operator″Expression error: Unrecognised punctuation character "," Expression error: Unexpected < operator°Expression error: Unexpected < operator′Expression error: Unexpected < operator″Expression error: Unrecognised word "type"">Expression error: Unexpected < operator°Expression error: Unexpected < operator′Expression error: Unexpected < operator″Expression error: Unrecognised punctuation character "," Expression error: Unexpected < operator°Expression error: Unexpected < operator′Expression error: Unexpected < operator″Expression error: Unrecognised word "type" / 32.458958,-111.566785, type:landmark (Ironwood Forest)	02000-06-09 June 9, 2000	Significant concentrations of Ironwood (Olneya tesota) trees and two endangered animal and plant species are found within the monument. More than 200 Hohokam and Paleoindian archaeological sites have been identified from between 600 and 1450 A.D
Jewel Cave		NPS	South Dakota 43°43′46″N 103°49′46″W / 43.729444, -103.829444 (Jewel Cave)	01908-02-07 February 7, 1908	Currently the second longest cave in the world, with about 141 miles (225 km) of mapped passageways.
John Day Fossil Beds		NPS	Oregon