Alaska

Located in the Alaska Panhandle, it has a large population of grizzly bear, black bear, brown bear, whales, mountain goat, and deer.

Date Of First Visit: Not Yet Visited

New York

Re-discovered in 1991 during excavations for a new building, this former burial ground contains the remains of more than 400 free and enslaved Africans buried in the 17th and 18th centuries.

Date Of First Visit: 2018 June👨👩

Nebraska

During the 1890s, scientists rediscovered bones preserved in one of the most complete Miocene mammal sites in the world. Located in the Niobrara River Valley.

Date Of First Visit: 2016 January👨👩👧👦

Arizona

Located around the canyon of the Agua Fria River, it contains more than 450 distinct Native American structures, including large pueblos with more than 100 rooms.

Date Of First Visit: 2016 September👨👩

Alaska

During World War II the Aleutian Islands saw invasion by Japanese forces, who occupied two islands; a 15-month air war; and one of the deadliest battles in the Pacific Theater.

Date Of First Visit: Not Yet Visited

Texas

Quarry site for high-quality, rainbow-hued flint that was distributed throughout the Great Plains. Includes the ruins of several Plains Village Indian dwellings.

Date Of First Visit: Not Yet Visited

Arizona

The sweeping plateaus to the south, northeast, and northwest of Grand Canyon National Park make up the units of this national monument.

Date Of First Visit: Not Yet Visited

Alaska

Comprised of the region surrounding Mount Aniakchak, which erupted 3,500 years ago. The volcano's 6-mile wide, 2,500-foot deep caldera is the source of the Aniakchak River.

Date Of First Visit: Not Yet Visited

Nevada

Desert tortoise, Gila monster, desert bighorn sheep, and Joshua trees are among the species that can be found in this diverse desert landscape.

Date Of First Visit: Not Yet Visited

New Mexico

The ruins contain Pueblo structures from the 11th to 13th centuries with more than 400 masonry rooms which were misidentified by early American settlers as Aztec.

Date Of First Visit: 2018 April👨👩

New Mexico

A historic district, Bandelier contains Frijoles Canyon, which contains Ancestral Pueblo homes, kivas, rock paintings and petroglyphs.

Date Of First Visit: 2017 November👨👩

Nevada

The Basin and Range area of southeastern Nevada is one of the most undisturbed corners of the broader Great Basin region.

Date Of First Visit: 2018 March👨👩

Utah

Protects one of the most significant cultural landscapes in the United States, with thousands of sacred cultural sites and important areas of spiritual significance.

Date Of First Visit: 2020 October👨👩👧

District of Columbia

The Sewall House has stood strong on Capitol Hill for over two hundred years. For over sixty years, the National Woman's Party utilized the location to lobby for women's equality.

Date Of First Visit: 2022 April👨

California

Protects some of the most scenic and biologically diverse landscapes in northern California. They range from rolling, oak-studded hillsides to steep creek canyons and ridgelines with expansive views.

Date Of First Visit: 2019 March👨👩

Alabama

Birmingham Civil Rights National Monument is a new national park unit located in Birmingham, Alabama. It is a park in progress with limited services.

Date Of First Visit: Not Yet Visited

Virginia

Preserves portions of the tobacco farm where Washington was born into slavery. Contains replicas of the house, a smokehouse, a blacksmith shed, a tobacco barn, and a horse barn.

Date Of First Visit: Not Yet Visited

Colorado

On Feb.19, 2015, President Obama designated 21,586 acres of pristine canyons, rivers and backcountry forest in Colorado as the Browns Canyon National Monument.

Date Of First Visit: Not Yet Visited

U.S. Virgin Islands

Most of this 19,000-acre monument is underwater, containing a large elkhorn coral barrier reef that provides cover for a great variety of reef fish, sea turtles and Least Terns.

Date Of First Visit: 2019 February👨👩

California

Commemorates the landing of Juan Rodriguez Cabrillo at San Diego Bay in 1542. Includes a statue and coastal artillery batteries built to protect the harbor from enemy warships.

Date Of First Visit: 2016 April👨👩

California

This monument ensures the protection of all islets, reefs and rock outcroppings from the coast of California to a distance of 12 nautical miles, along the entire 840-mile long California coastline.

Date Of First Visit: Not Yet Visited

Colorado

Part of White River National Forest, Camp Hale was the center of mountain and winter warfare training by the Army during World War II.

Date Of First Visit: Not Yet Visited

Kentucky

Established as a Union supply depot and hospital during the Civil War, Camp Nelson became a recruitment and training center and refugee camp for African American soldiers and their families.

Date Of First Visit: Not Yet Visited

Arizona

Located within the boundaries of the Navajo Nation, it preserves the valleys and rims of the canyons of de Chelly, del Muerto, and Monument, all of which are Navajo Tribal Trust Lands.

Date Of First Visit: 2016 January👨👩

Colorado

Surrounding Hovenweep National Monument, it preserves and protects more than 6,000 archaeological sites, the largest concentration in the U.S.

Date Of First Visit: 2015 June👨👩👧

Alaska

This coastal plain contains large lagoons and rolling hills of limestone. The bluffs record thousands of years of change in the Chukchi Sea, as well as evidence of 9,000 years of human habitation.

Date Of First Visit: Not Yet Visited

New Mexico

An extinct cinder cone volcano that is approximately 59,000 years old and part of the Raton-Clayton Volcanic Field. The crater is 400 feet deep and the rim is more than 1,500 feet in diameter.

Date Of First Visit: 2017 November👨👩

Pennsylvania

More than 7,800 children from 140 Native Tribes went to the Carlisle School from 1879 to 1918. This new park is located on an active military base.

Date Of First Visit: Not Yet Visited

California

The largest single native grassland remaining in California. It contains part of the San Andreas Fault and is surrounded by mountains.

Date Of First Visit: 2018 January👨👩

Arizona

Preserves a group of structures built in the early 13th century by the Hohokam people. Includes an ancient Sonoran Desert People's farming community and the Great House.

Date Of First Visit: 2014 February👨👩

Oregon

One of the most diverse ecosystems found in the Cascade Range, it has more than 100 dwelling and root-gathering sites belonging to the Modoc, Klamath, and Shasta tribes.

Date Of First Visit: Not Yet Visited

Florida

This 1672 Spanish fort near St. Augustine served for 205 years under four different flags. Involved in sieges under Spanish command, Britain, the Confederacy, and the United States.

Date Of First Visit: 2016 April👨👩

New York

Built in 1811 at the southern tip of Manhattan to protect New York City from the British. It later became a beer garden, a theater, the first immigration station (before Ellis Island), and an aquarium.

Date Of First Visit: 2018 June👨👩

California

Castle Mountains represents some of the most unique elements of the Mojave Desert. Joshua tree forests, unbroken natural landscapes, rare desert grasslands, and rich human history.

Date Of First Visit: Not Yet Visited

Texas

The land is home to spring blooms of the Mexican poppy and natural springs, and it serves as a habitat to numerous wildlife species. It also houses more than 40 archeological sites.

Date Of First Visit: Not Yet Visited

Utah

A natural amphitheater canyon similar to formations at Bryce Canyon National Park, the monument stretches over 3 miles and is more than 2,000 ft deep.

Date Of First Visit: 2015 July👨👩

California

Commemorates the life and work of labor leader and civil right activist Cesar Chavez. Chavez's home for about 20 years, and his final resting place.

Date Of First Visit: 2018 January👨👩

Ohio

Charles Young was the first African American to reach the rank of Colonel in the US Army and the first national park superintendent. His home at Wilberforce is a museum commemorating his life.

Date Of First Visit: Not Yet Visited

Colorado

Once home to the ancestors of the modern Pueblo Indians. Roughly 1,000 years ago, the Pueblo People built more than 200 homes and ceremonial buildings high above the valley floor.

Date Of First Visit: 2021 August👨👩👧

Arizona

These pillars of rhyolite tuff are the eroded remains of an immense volcanic eruption that shook the region 27 million years ago. It was called the Land of the Standing-Up Rocks by the Apache.

Date Of First Visit: 2018 April👨👩

California

Located south of Joshua Tree National Park, the monument will be at the confluence of the Mojave and Colorado Deserts, showcasing mountain ranges, canyons, rock formations, and palm oases.

Date Of First Visit: Not Yet Visited

Colorado

Preserves one of the grand landscapes of the American West. Towering monoliths exist within a vast plateau and canyon panorama accessible along the twists and turns of Rim Rock Drive.

Date Of First Visit: 2012 June👨👩👧👦

Idaho

One of the best preserved flood basalt areas in the continental U.S. Contains 3 lava fields along the Great Rift, the world's deepest open rift cracks, and other volcanic features.

Date Of First Visit: 2015 June👨👩👧👦

California

Once part of Yosemite National Park, this monument is a dark cliff of columnar basalt created by a lava flow at least 100,000 years ago. It also has the 101-foot-high Rainbow Falls.

Date Of First Visit: Not Yet Visited

Wyoming

The first national monument, an intrusion of volcanic rock rising 1,267 feet above the surrounding terrain. Hundreds of parallel cracks make it one of the best crack climbing areas in North America.

Date Of First Visit: 2008 September👨👩

Utah / Colorado

This sandstone and conglomerate bed, known as the Morrison Formation, was formed in the Jurassic Period and contains fossils of dinosaurs including Allosaurus and various sauropods.

Date Of First Visit: 2015 November👨👩👧👦

Iowa

Preserves 200 plus American Indian mounds located in one of the most picturesque sections of the Upper Mississippi River Valley. The mounds are in the shapes of mammals, birds, and reptiles.

Date Of First Visit: 2013 July👨👩

New Mexico

A rugged lava flow covers much of the park, filling a large basin rimmed by higher sandstone that forms large, wind-carved bluffs. It also has lava tube caves that stretch over 17 miles deep.

Date Of First Visit: 2018 April👨👩

New Mexico

On the site of an ancient 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 made by the Anasazi.

Date Of First Visit: 2018 April👨👩

Illinois / Mississippi

Emmett Till was tortured and murdered traveling to visit family in Mississippi. His mother insisted on an open-casket funeral in Chicago to let the world see the racist violence inflicted on her son.

Date Of First Visit: 2025 June👨👩👧👦

Colorado

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 in the Eocene age.

Date Of First Visit: 2016 April👨👩

Georgia

Built by James Oglethorpe between 1736 and 1748, these remnants of a fort and town protected the southern boundary of the British colony of Georgia from Spanish raids.

Date Of First Visit: Not Yet Visited

Florida

This 1740 Spanish fort guarded Matanzas Inlet which allowed access to St. Augustine. The monument also protects 100 acres of salt marsh and barrier islands.

Date Of First Visit: 2016 April👨👩

Maryland

Known for its role in the War of 1812, the fort that inspired the writing of 'The Star-Spangled Banner'. It has become tradition that when a new flag is designed it first flies over Fort McHenry.

Date Of First Visit: 2013 July👨👩👧

Virginia

Spans the American story from the 17th to 21st centuries: Captain John Smith's journeys, a haven of freedom for the enslaved during the Civil War, and a bastion of defense for the Chesapeake Bay.

Date Of First Visit: 2023 June👨👩👧

California

Fort Ord was an Army post from 1917 to 1994. The monument was established in 2012 and now has recreational trails and various wildlife.

Date Of First Visit: 2015 January👨👩

Georgia

Fort Pulaski was used as a prisoner-of-war camp during the Civil War. The monument includes most of Cockspur Island (containing the fort) and all of adjacent McQueens Island.

Date Of First Visit: 2016 April👨👩

New York

Fort Stanwix guarded a portage known as the Oneida Carrying Place during the French and Indian War. It fell into ruin and was rebuilt in the late 1970s.

Date Of First Visit: 2017 October👨👩

New Mexico

A frontier military post and supply depot in the late 19th century, it sat at the intersection of the Mountain and Cimarron Branches of the old Santa Fe Trail.

Date Of First Visit: 2017 November👨👩

Wyoming

Preserves the 50-million-year-old Green River lake beds. Fossils found include fish, alligators, bats, turtles, horses, insects, and many other species of plants and animals.

Date Of First Visit: 2015 June👨👩👧

Maine

Established to honor the first woman to serve in a presidential cabinet. Frances Perkins opened the door for other women to hold high government positions.

Date Of First Visit: Not Yet Visited

Alabama

In 1961, a band of 'Freedom Riders' was attacked by white segregationists, shocking the American public and spurring the Federal Government to ban segregation in interstate travel.

Date Of First Visit: Not Yet Visited

Virginia

An 18th-century Virginia tobacco farm, this site is the birthplace and boyhood environment of George Washington. Within the monument lies the Washington family burial ground.

Date Of First Visit: 2023 June👨👩👧

Missouri

Preserves the boyhood home of George Washington Carver, a scientist and educator who developed many uses for peanuts. The first national monument dedicated to an African-American.

Date Of First Visit: 2018 October👨👩

California

Includes 38 Giant Sequoia groves, amounting to about half of the sequoia groves currently in existence, including one of the ten largest Giant Sequoias, the Boole Tree.

Date Of First Visit: 2017 August👨👩

New Mexico

Located within the Gila Wilderness, the people of the Mogollon culture lived in these cliff dwellings 180 feet above the canyon floor from the 1280s through the early 14th century.

Date Of First Visit: Not Yet Visited

Nevada

Nearly 300,000 acres of red sandstone, twisting canyons, and tree-clad mountains within desolate stretches of the Mojave Desert.

Date Of First Visit: Not Yet Visited

New York

From 1783-1966 the island was an Army post; 1966-1996 it was a Coast Guard installation. Includes Castle Williams and Fort Jay, which served to protect New York City from sea attack.

Date Of First Visit: Not Yet Visited

Arizona

Located on the northern rim of the Grand Canyon, this diverse landscape includes an array of scientific and historic resources. There are no paved roads or visitor services.

Date Of First Visit: Not Yet Visited

Minnesota

The Grand Portage itself is an 8.5-mile footpath which bypasses a set of waterfalls on the Pigeon River near Lake Superior. The region was a vital trade route and center of fur trade activity.

Date Of First Visit: 2019 September👨👩

Utah

Preserving 1,900,000 acres, the monument consists of the Grand Staircase, the Kaiparowits Plateau, and the Canyons of the Escalante. It is notable for its paleontological finds and geology.

Date Of First Visit: 2014 December👨👩👧

Idaho

Contains the largest concentration of Hagerman Horse fossils in North America. These fossils represent the that just before the Ice Age, and the first appearance of modern flora and fauna.

Date Of First Visit: 2014 August👨👩👧👦

Washington

Created from the security buffer surrounding Hanford Nuclear Reservation, this area has been untouched by development or agriculture since 1943.

Date Of First Visit: 2019 October👨👩

Utah / Colorado

Contains six clusters of Native American ruins: Holly Canyon, Hackberry Canyon, Cutthroat Castle, Goodman Point, Square Tower, and Cajon.

Date Of First Visit: 2015 June👨👩👧

Arizona

Significant concentrations of ironwood trees and two endangered species are found within this 129,000-acre monument created in 2000.

Date Of First Visit: 2014 February👨👩

South Dakota

Jewel Cave is the second longest cave in the world, with about 141 miles of mapped passageways. In the Black Hills, it was discovered in 1900 and is so named because of its calcite crystals.

Date Of First Visit: 2018 July👨👩

Oregon

A well-preserved, complete record of fossils from more than 40 of the 65 million years of the Cenozoic Era. The monument is divided into three units: Painted Hills, Sheep Rock, and Clarno.

Date Of First Visit: 2018 September👨👩

Utah

Contains the densest concentration of Jurassic-aged dinosaur bones ever found. Over 12,000 bones belonging to at least 74 individual dinosaurs have been excavated at the quarry.

Date Of First Visit: 2021 August👨👩👧

New Mexico

Known for layers of volcanic rock and ash deposited by a volcanic explosion. Over time, weathering and erosion of these layers has created canyons and tent rocks.

Date Of First Visit: Not Yet Visited

Maine

Comprised of 87,500 acres, the Katahdin region is a popular destination for outdoor recreation and home to spectacular mountains, important historical resources, and areas of great cultural significance.

Date Of First Visit: Not Yet Visited

California

Largest concentration of lava tube caves in North America. It also includes Petroglyph Point, one of the largest panels of Native American rock art.

Date Of First Visit: 2017 August👨👩

Montana

Includes the 1876 Battle of the Little Bighorn between Custer's 7th Cavalry and Lakota, Northern Cheyenne, and Arapaho forces. Also contains a National Cemetery, and Reno-Benteen Battlefield.

Date Of First Visit: 2017 August👨👩

Guam / Northern Mariana Islands

Includes 95,000 square miles of submerged lands of the three northernmost islands of the Mariana Archipelago, the submerged lands of 22 designated volcanic sites, and the Mariana Trench.

Date Of First Visit: Not Yet Visited

Mississippi

Built in 1956, it was the home of African-American civil rights activist Medgar Evers (1925-1963) at the time of his assassination.

Date Of First Visit: 2026 January👨

Kentucky

The Mill Springs Battlefield National Monument was the location of the Battle of Mill Springs (also known as Battle of Fishing Creek and as Battle of Logan's Crossroads) in January 1862.

Date Of First Visit: Not Yet Visited

Alaska

Contains the Quartz Hill molybdenum deposit, the largest such deposit in the world. Throughout the monument is light-colored granite sculpted by glaciers 70 million years ago.

Date Of First Visit: Not Yet Visited

California

Spanning 1.6 million acres, the monument is comprised of World War II-era training camps, ancient lava flows, spectacular sand dunes, and the longest remaining undeveloped stretch of Route 66.

Date Of First Visit: 2018 January👨👩

Arizona

Features well-preserved cliff dwellings built by the Sinagua people around 1400 AD. The monument also includes the Montezuma Well, which has been used since the 8th century.

Date Of First Visit: 2016 September👨👩

Washington

Following the 1980 eruption of Mount St. Helens, this area was set aside for research, recreation, and education. The environment is left to respond naturally to the disturbance.

Date Of First Visit: 2015 July👨👩

California

Part of the Golden Gate National Recreation Area, it protects one of the last old growth Coast Redwood groves in the San Francisco Bay Area as well as one of the most easily accessed.

Date Of First Visit: 2014 December👨👩

Utah

Features the second and third largest natural bridges in the world. Carved from the white Triassic sandstone of the Cedar Mesa Formation that gives White Canyon its name.

Date Of First Visit: 2015 June👨👩👧

Arizona

Preserves three of the most intact cliff dwellings of the Ancestral Puebloan people, the Anasazi. High on the Shonto plateau, overlooking the Tsegi Canyon system in the Navajo Nation.

Date Of First Visit: 2016 January👨👩

Oregon

Protects the area around the Newberry Volcano and its geologic features. It contains over 50,000 acres of lakes, lava flows, and other geologic features.

Date Of First Visit: 2018 September👨👩

Atlantic Ocean

Located 130 miles off Cape Cod, MA this marine monument is approximately the size of Connecticut at over 3 million acres and includes 3 undersea canyons and 4 undersea mountains.

Date Of First Visit: Not Yet Visited

Oregon

Known for its marble caves, as well as for the Pleistocene jaguar and grizzly bear fossils found nowhere else but in the deeper caves.

Date Of First Visit: Not Yet Visited

New Mexico

Protects significant prehistoric, historic, geologic, and biologic resources. Includes four distinct areas: the Organ Mountains, Desert Peaks, Potrillo Mountains, and Dona Ana Mountains.

Date Of First Visit: 2016 November👨👩

Arizona

The only place in the US where the Organ Pipe Cactus grows wild. The Bates Well Ranch and Dos Lomitas Ranch are also within the monument.

Date Of First Visit: 2018 April👨👩

US Minor Outlying Islands

The marine monument consists of Baker Island, Howland Island, Jarvis Island, Johnston Atoll, Kingman Reef, Palmyra Atoll, and Wake Island, which are in the Pacific southwest of Hawaii.

Date Of First Visit: Not Yet Visited

Hawaii / US Minor Outlying Islands

Encompassing 140,000 square miles of ocean water and 10 islands and atolls. The largest Marine Protected Area in the world. Also includes Battle of Midway Memorial and Midway Atoll NWR.

Date Of First Visit: 2017 April👨👩

New Mexico

Protects a variety of cultural and natural resources, including five volcanic cones, hundreds of archaeological sites and an estimated 25,000 images carved by native peoples.

Date Of First Visit: 2016 November👨👩

Arizona

Rich with American Indian, early explorer and Mormon pioneer history, this site shows Ancestral Puebloans and Kaibab Paiute Indian and pioneer life in the Old West.

Date Of First Visit: 2015 September👨👩

Minnesota

Preserves traditional catlinite quarries used to make ceremonial peace pipes of Plains Indian cultures. The quarries were neutral territory where all tribes could quarry the stone.

Date Of First Visit: 2025 June👨👩👧👦

Montana

A 150-foot sandstone pillar from the late Cretaceous Hell Creek Formation next to the Yellowstone River. It has an abundance of Native American petroglyphs and the signature of William Clark.

Date Of First Visit: 2017 August👨👩

Louisiana

A prehistoric archaeological site that dates from between 1650 and 700 BC. Consisting of six earthen rings and seven mounds.

Date Of First Visit: Not Yet Visited

New Mexico

Contains fossilized footprints of numerous Paleozoic amphibians, reptiles, and insects, as well as fossilized plants and petrified wood dating back approximately 280 million years.

Date Of First Visit: 2016 November👨👩

District of Columbia

President Abraham Lincoln and his family resided seasonally on the grounds of the United States Soldiers' and Airmen's Home, which was founded in 1851 for homeless and disabled war veterans.

Date Of First Visit: Not Yet Visited

Utah

One of the world's largest natural bridges. It stands 290 feet tall and spans 275 feet wide; the top of the bridge is 42 feet thick and 33 feet wide.

Date Of First Visit: 2016 August👨👩

New Mexico

Includes part of the Rio Grande Gorge and extinct volcanoes of the Taos Plateau volcanic field. Also archaeological and historical artifacts including petroglyphs and Hispanic settlement sites.

Date Of First Visit: 2021 August👨👩👧

American Samoa

This marine monument consists of the two small islands of Rose Atoll, a lagoon, and a coral reef east of American Samoa. It is the southernmost point in the U.S.

Date Of First Visit: Not Yet Visited

Alabama

Formed over 300 million years ago at the bottom of an inland sea that covered the region. The cave's exceptionally large main entrance was used as a shelter by prehistoric Indians.

Date Of First Visit: Not Yet Visited

New Mexico

Where Native American trade communities lived when Spanish missionaries made contact in the 17th century. Includes ruins of four mission churches and a partially excavated pueblo.

Date Of First Visit: 2021 August👨👩👧

California

On Oct. 10, 2014, President Obama designated 346,177 acres of existing federal lands as the San Gabriel Mountains National Monument, under Forest Service management.

Date Of First Visit: 2019 September👨👩

Washington

Puget Sound islands with several historic lighthouses and rugged landscapes. They are the habitat for orcas, eagles, and seals and provide opportunities for kayaking, birdwatching, and more.

Date Of First Visit: Not Yet Visited

California

An ecological and cultural treasure, and one of the most biodiverse areas in southern California, supporting more than 240 species of birds and twelve threatened and endangered species.

Date Of First Visit: 2018 January👨👩

California

Preserves large portions of the Santa Rosa and San Jacinto ranges. Parts are within San Bernardino National Forest and the California Desert Conservation Area.

Date Of First Visit: 2018 January👨👩

California

The monument provides protection to tribal ancestral homelands, historic and scientific treasures, rare flora and fauna, and the headwaters of vital sources of water.

Date Of First Visit: Not Yet Visited

Nebraska

Towering 800 feet above the North Platte River, it has served as a landmark for peoples from Native Americans to emigrants on the Oregon, California and Mormon Trails to modern travelers.

Date Of First Visit: 2016 January👨👩👧

Arizona

Protects a small portion of the Sonoran Desert. Home to several endangered species, many significant archaeological and historic sites, and remnants of historic trails.

Date Of First Visit: 2018 April👨👩

Illinois

In 1908, a White mob attacked the Black community in Springfield leading to the founding of the National Association for the Advancement of Colored People (NAACP).

Date Of First Visit: Not Yet Visited

New York / New Jersey

Built in 1886 on Liberty Island at 151 feet tall, is a gesture of friendship from France to the U.S. Ellis Island, where 12 million immigrants entering the U.S. passed through, is included in the monument.

Date Of First Visit: 2018 May👨👩

New York

New York City laws against homosexual activities were particularly harsh. The Stonewall Uprising on June 28, 1969 is a milestone in the quest for LGBT civil rights and provided momentum for a movement.

Date Of First Visit: 2018 June👨👩

Arizona

Roughly 900 years ago, the eruption of this volcano reshaped the surrounding landscape, forever changing the lives of people, plants and animals.

Date Of First Visit: 2012 June👨👩👧

Utah

Hike your way past stunning vistas to explore a hidden underground world. Cave includes 3 main cave chambers with many colorful cave features such as cave bacon and cave popcorn.

Date Of First Visit: 2014 June👨👩👧

Arizona

Lying on the northeastern edge of the Sonoran Desert along the Salt River, Tonto preserves two cliff dwellings that were occupied by the Salado culture during the 13th to 15th centuries.

Date Of First Visit: 2016 September👨👩

California

The monument includes the Tule Lake Segregation Center, the largest and most controversial of the Japanese American Incarceration camps.

Date Of First Visit: 2017 August👨👩

Nevada

Mammoths, lions and camels once roamed along wetlands just north of what is now known as Las Vegas. Their history is preserved at Tule Springs Fossil Beds and is ready to be discovered.

Date Of First Visit: 2016 August👨👩👧👦

Arizona

Preserves a three-story pueblo ruin on the summit of a limestone and sandstone ridge in the Verde Valley. It was built by the Sinagua people between 1125 and 1400.

Date Of First Visit: 2016 September👨👩

Montana

A series of badland areas characterized by rock outcroppings, steep bluffs and grassy plains along the 149-mile Upper Missouri National Wild and Scenic River in central Montana.

Date Of First Visit: Not Yet Visited

Arizona

Steep eroded escarpments rise 3,000 feet above their base. These sedimentary rocks have been deeply eroded for millions of years, exposing hundreds of layers of richly colored rock strata.

Date Of First Visit: 2015 September👨👩👧

U.S. Virgin Islands

These coral reefs, sandy bottoms, seagrass beds, and mangrove forests are in a 3-mile belt that surrounds St John, VI.

Date Of First Visit: 2019 February👨👩

Texas

This paleontological site represents the nation's only recorded discovery of a nursery herd of Columbian mammoths including female and bull mammoths that lived 67,000 years ago.

Date Of First Visit: 2018 March👨👩

Arizona

Among the remarkable geological cliff formations of the canyon itself, the shapes of the 25 former homes of ancient inhabitants are easily evident.

Date Of First Visit: 2012 June👨👩

Arizona

Settlement sites built by the Sinagua, Cohonina, and Kayenta Anasazi are scattered throughout the monument. About 2,000 Pueblo moved here to farm after an 11th century eruption of Sunset Crater.

Date Of First Visit: 2016 September👨👩

Colorado

A large, un-excavated Ancestral Puebloan archaeological site. The site is one of many Anasazi village sites located in the Montezuma Valley occupied between AD 900 and 1300.

Date Of First Visit: 2021 August👨👩👧