An image taken of the fantastic northern lights from alongside the Dalton Highway at the Arctic Circle landmark in northern Alaska.

In this photo, you can see the beautiful greenery of Hanging Lake in Colorado.

Lava from the Kilauea volcano is entering the ocean on the Big Island of Hawaii.

Travertine pools and terraces at Pamukkale, Turkey.

Erosion has carved these chalk pyramids from what was once the floor of a vast inland sea. Monument Rocks is the first natural landmark chosen by the U.S. Department of the Interior as a National Natural Landmark of Kansas.

As one of Colombia's most fascinating biological wonders, Caño Cristales goes by many identities such as “river of five colors,” “the river that ran away from paradise” and “the most beautiful river in the world.”

Glowworms on the ceiling form a starry sky of bioluminescence inside Waitomo Caves in New Zealand.

The turquoise colors and splendid shapes of the Marble Caves of Patagonia, Chile, create imagery of unearthly beauty carved out by nature.

Bryce Amphitheater is seen from Bryce Point in Bryce Canyon National Park, Utah, one of the best places in the world to see a sunrise.

The amazingly pink Lake Hillier is a natural landmark of Australia on Middle Island inside the Recherche Archipelago Nature Reserve near Esperance.

The Richat Structure, also known as the Sahara Eye, in Mauritania, Africa, is truly a sight to behold from above.

Rays of sunlight shine through the water’s surface above colorful coral reefs in Key Largo, Florida.

Large dragon’s blood trees sit on the Dixam plateau in Socotra Island, Yemen.

Salt piles in Salar de Uyuni, Potosi, Bolivia.

Greenish-blue ponds form between white sand dunes in Lençóis Maranhenses National Park in Brazil.

Shoshone Falls in Idaho is also known as the Niagara of the West.

Basalt rock formations form inside Fingal's Cave on the island of Staffa off the west coast of Scotland.

The Cave of the Crystals in Mexico lives up to its name and is one of the best caves in the world. You can see the large white crystals protruding from the cave’s ceiling, walls and floors.

The Grand Prismatic Spring pops with puffy white clouds in the sky overhead in Yellowstone National Park in Wyoming. The park may be a tough one to visit, but it’s worth it.

The Derweze Gas Crater, also known as “The Door to Hell,” is one of the most mysterious places in the entire world.

With its red sandstone, green cottonwoods and famous turquoise waters, Havasu Falls in Arizona is truly one of the most beautiful waterfalls in the world.

An aerial view looking down on the Great Blue Hole, a famous diving site and natural phenomenon in the Lighthouse Reef of the Caribbean Sea.

One of the arches along the Pictured Rocks National Lakeshore in Michigan.

Backpackers hike White Sands National Monument in New Mexico.

Blue sulfur flames come out of Kawah Ijen Volcano in East Java, Indonesia.

Cypress trees reflect in the Atchafalaya River in Louisiana.

Catatumbo lightning strikes in Venezuela, an extreme weather phenomena.

A scenic view of Horseshoe Falls in Canada, one of the three waterfalls that combine to make Niagara Falls.

Giant’s Causeway, an area of hexagonal basalt stones, was created by an ancient volcanic fissure eruption in County Antrim, Northern Ireland.

The Hall of Mosses Trail, with its big maple leaves in the Hoh Rainforest inside Olympic National Park, makes Washington look like another world. No wonder it’s one of the most beautiful forests in the world.

Frozen Abraham Lake in Alberta, Canada, looks even cooler during an amazing sunset as stacks of bubbles are trapped inside the lake.

A vibrant swirling stratum lends to the iconic curving canyons of The Wave. The landmark rock formation is located deep in the Vermilion Cliffs-Wilderness National Monument of Arizona and Utah.

Danakil Depression is the hottest place on Earth in terms of year-round average temperatures, and the area is complete with small sulfur lakes in Dallol, Ethiopia.

The colorful striped rock formations of the Fire Wave can be seen during sunset at Valley of Fire State Park in Nevada.

A large rainbow shines over a tour boat in the blue waters of Niagara Falls in New York.

A sailing boat goes on an expedition through the beautiful vast landscape of huge icebergs and impressive mountainscapes in East Greenland.

Thor’s Well rages along the Pacific coast in Oregon.

An aerial view of Mount Everest, the largest mountain in the world at 29,029 feet tall, in the Himalayas of Nepal.

The Onondaga Cave in Onondaga Cave State Park in Leasburg, Missouri.

Auyán-tepui, a tabletop mountain, is seen from the Kamarata Valley in Gran Sabana, which is in southern Venezuela.

The early-morning sunlight creates a rainbow at the base of the Lower Falls of the Yellowstone River at Yellowstone National Park, Wyoming.

An oryx stands on a sand dune in the Sossusvlei Desert during sunset in Namibia.

Ruby Falls is a 145-foot-high underground waterfall located within Lookout Mountain in Chattanooga, Tennessee.

Mount Bromo is one of the most active volcanoes in Asia and is situated in a big caldera in the Bromo Tengger Semeru National Park in East Java, Indonesia.

This beautiful and unique island in the Dead Sea is made out of salt formations. An isolated tree stands in the center of the salt island in Israel.

Beautiful stalactites, stalagmites and flowstone make this underground geological cave a marvelous spectacle while the underground pool makes stones turn green inside of the Luray Caverns in Virginia.

Large mountains and rock formations in Zhangjiajie National Forest Park in China.

A gorgeous view is seen from above Victoria Falls in Zambia.

Large branches sprout in many different directions from the Angel Oak tree in Charleston, South Carolina, a town that looks like it’s stuck in time.

The Parícutin volcano is seen in Michoacán, Mexico. While there are many fascinating natural wonders around the world, some can also be quite strange.

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