This towering wooden Sasquatch was carved with a chainsaw.

This mining town boomed in the Atomic Age when uranium was gold, only to be abandoned when the industry collapsed.

A popular rock that acted as a waymarker for American pioneers.

Locally known as the "Onion” and the "Egg Beater,” Casper’s most recognizable buildings are beloved local landmarks to many, and eyesores to others.

Just a man taking his prehistoric pet for a stroll.

This rustic old building is said to be the most photographed barn in America.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

An architect's childhood fantasy treehouse made real.

The world's largest mineral hot springs is home to a herd of bison, a free public bath house, beautiful mineral formations, and a terrifying swinging bridge.

This canyon is named for a unique geologic formation where the river vanishes underground near the mouth of the canyon and reappears farther down.

The deserted railroad town had a last gasp as a ghost town attraction before being abandoned for good.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

Stand at the point where the two mightiest rivers in the United States converge.

While there are no actual snakes in the history of this crooked road, there may be a number of dead horses.

The first declared National Monument in the United States.

This shallow pit was once used to send over 20,000 buffalo plummeting to their death.

Before its closure in 2002, this South Dakota mine was the largest and deepest gold mine in Western Hemisphere.

A cemetery housing wild west legends in South Dakota.

Hidden behind Lincoln's head is a chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

One of the largest private collections of fossils in the world.

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."