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Natural Landmarks

Landmarks that are not man-made.


Acadia National Park

Hancock County, Maine
The park was named in Honor of Ari & Jerry Acadia, who were good friends of John D. Rockefeller, Jr. Rockefeller developed a network of carriage trails in the park.


Aniakchak Crater

Lake and Peninsula County, Alaska
Aniakchak is an extant volcano. The caldera formed during a major eruption in 1645 B.C. The most recent eruption was in 1931. Surprise Lake within the caldera is the source of the Aniakchak River, a National Wild River.


Aniakchak National Monument and National Recreation Area

This remote place is perhaps the least visited unit of the National Park System. The national monument is 137,176 federal acres (555 km2) and the preserve is 465,603 acres (1,884 km2) of which 439,863 are federal.


Atchafalaya Basin

The Atchafalaya Basin, or Atchafalaya Swamp, is the largest wetland and swamp in the United States. Located in south central Louisiana, it is a combination of wetlands and river delta area where the Atchafalaya River and the Gulf of Mexico converge.


Big Bone Lick State Park

Union, Boone County, Kentucky, 41091
The name of Big Bone Lick State Park comes from the Pleistocene megafauna fossils found there. Mammoths are believed to have been drawn to this location by a salt lick deposited around sulphur springs.


Black Canyon of the Gunnison National Monument

Grizzly Ridge, Colorado
This unique and spectacular landscape was formed slowly by the action of water and rock scouring down through hard Proterozoic crystalline rock. No other canyon in North America has such narrow opening, sheer walls, and startling depths.


Cape Krusenstern National Monument

Cape Krusenstern National Monument stretches 70 miles along the Chukchi Sea shoreline. It is made up mainly of a coastal plain, containing large lagoons and rolling hills of limestone. Beach ridges provide evidence of 5000 years of human activity.


Castle Rock

St Ignace, Mackinac County, Michigan, 49781
Castle Rock is a geological limestone stack and tourist attraction located 3 miles (5 km) north of St. Ignace, Michigan on Interstate 75 in Michigan's Upper Peninsula.


Cedar Tree Arch (Rainbow Arch)

Mack, Colorado
Cedar Tree Arch (also known as Rainbow Arch) has a span of 76 feet and an opening height of 43 feet.


Chimney Rock National Historic Site

Morrill County, Nebraska, 69334
Chimney Rock is a prominent geological rock formation. Rising nearly 300 feet (91 m) above the surrounding North Platte River valley, the peak of Chimney Rock is 4,226 feet (1,288 m) above sea level.


City of Rocks National Reserve

Malta, Cassia County, Idaho, 83342
The City of Rocks is an area of rock spires and formations and is a popular rock climbing area. The landscape has been sculpted from granite that has eroded into a fascinating assortment of shapes.


Craters of the Moon National Monument and Preserve

Arco, Butte County, Idaho
The protected area's features are volcanic and represent one of the best preserved flood basalt areas in the continental United States. It is composed of encompass three major lava fields and about 400 square miles (1,036 km2) of sagebrush steppe grasslan


Denali (Mount McKinley)

It's the highest mountain in North America and is known as Mount McKinley to most Americans. But its official name in Alaska is Denali, which means "the high one" in the Athabaskan language.


Devils Tower National Monument

Crook County, Wyoming
Devil's Tower rises 1267 feet (386 m) above the surrounding land and is part of the United States first official National Monument. It played a large role in the movie "Close Encounters of the Third Kind."


Diamond Head

Honolulu, Hawaii
Diamond Head is the name of a volcanic tuff cone on the Hawaiian island of Oʻahu and known to Hawaiians as Lēʻahi.


Dotsero Crater

Dotsero, Eagle County, Colorado, 81637
Dotsero is a 700 meter wide by 400 meter deep maar volcano (broad, low relief crater). Erupting approximately 4200 years ago, it is the youngest volcano in Colorado. It is currently dormant.


Everglades National Park

The Everglades are subtropical marshlands, large areas of wetland which are subject to continuous flooding and features grasses, rushes, reeds and other herbaceous plants in shallow water.


Glacier National Park

Flathead, Montana
To commemorate the long history of peace and friendship between the United States and Canada, the two nations have combined Glacier National Park and Waterton Lakes National Park and created the Waterton/Glacier International Peace Park.


Grand Canyon National Park

The Grand Canyon was created by the Colorado River cutting a channel into the surrounding plateau over a period of about 6 million years.


Great Lakes

Multiple States
The Great Lakes are the world's largest group of fresh water lakes and are part of the St. Lawrence System, the largest fresh water system in the world. Because of their size, the Great Lakes are often called inland seas.


Hells Canyon

Hells Canyon is a 10-mile (16 km) wide canyon located along the border of eastern Oregon, eastern Washington and western Idaho in the United States. It is North America's deepest river gorge at 7,993 feet (2,436 m).


Meteor Crater

The site was formerly known as the Canyon Diablo Crater, and scientists generally refer to it as Barringer Crater in honor of Daniel Barringer who was first to suggest that it was produced by meteorite impact.


Monument Valley

Multiple States
The valley was carved out of the Colorado Plateau by ancient rivers which left the majestic buttes rising above the valley floor.


Mount Adagdak

Only about 2000 feet (600 m) above sea level, Mount Adagdak consists of a small stratovolcano capping an older shield volcano. The date of its last known eruption is unknown, but a basaltic lava dome was constructed on the southeast side.


Mount St. Helens

Skamania County, Washington
In 1982, the 110,000-acre Mount St. Helens National Volcanic Monument was created for research, recreation, and education. Inside the Monument, the environment is left to respond naturally in recovering from the 1980 eruption and any future disturbance.


Old Faithful

An eruption from this famous geo-thermal wonder can shoot 3,700 - 8,400 gallons (14,000 - 32,000 l) of boiling water to a height of 106 - 184 feet (30 - 55 m) lasting from 1.5 - 5 minutes.


Painted Desert

Painted Desert is the name for a broad area of colorful badlands located in Northern Arizona in the United States.


Petrified Forest National Park

The Petrified Forest features one of the world's largest and most colorful concentrations of petrified wood. The park covers 218,533 acres (341.5 sq mi / 885 km2).


Rainmaker Mountain (North Pioa)

American Samoa
The mountain is a volcanic feature known as a trachyte plug. This means that it is a volcanic intrusion made of extrusive igneous rocks and minerals which have a fine-grained, generally porphyritic texture.


Redwood National and State Parks

With an area of 112,512 acres (45,500 ha), the parks protect 45% of the remaining groves of coastal redwood (Sequoia sempervirens) trees, the tallest and one of the most massive tree species on Earth.


Rocky Mountain National Park

Rocky Mountain National Park features majestic mountain views, a variety of wildlife, varied climates and environments - from wooded forests to mountain tundra.


S P Crater

Coconino County, Arizona
SP Crater is a cinder cone volcano. The base of the cone is 3,900 feet (1,200 m) across and 820 feet (250 m) tall. It has a lava flow that extends for four miles to the north.


Saguaro National Park

The park was established as Saguaro National Monument on March 1, 1933 and changed to a national park on October 14, 1994. The total area of Saguaro National Park in 2002 was 143 square miles (370 km2) of which 111 square miles.


Shoshone Ice Caves

Shoshone, Lincoln County, Idaho, 83352
Once a source of ice for the town of Shoshone, these lava tube caves are not the most interesting, but there are legends that they are haunted by the Indian Princess Edahow who was buried in the ice.


Sunset Crater

Coconino County, Arizona
Sunset Crater was named for its brilliantly colored scoria deposits mantling the cone. Having erupted sometime between 1080 and 1150 AD, it is the youngest of the more than 550 vents of the vast San Francisco volcanic field.


White Sands National Monument

New Mexico
This New Mexico site comprises the southern part of a 275 square miles (710 km2) field of white sand dunes composed of gypsum crystals. Gypsum is rarely found in the form of sand because it is water-soluble.


Yellowstone National Park

Set aside as a national park on March 1, 1872, Yellowstone was the first National Park and is known for its wildlife and geothermal features, especially Old Faithful Geyser, one of the most popular areas in the park.

Top 10 Most Popular Natural Landmarks Landmarks

  1. Cedar Tree Arch (Rainbow Arch)
  2. Great Lakes
  3. Devils Tower National Monument
  4. Denali (Mount McKinley)
  5. Mount St. Helens
  6. Aniakchak Crater
  7. Everglades National Park
  8. Glacier National Park
  9. Grand Canyon National Park
  10. Acadia National Park