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

One of the first intercontinental ballistic missile sites in the United States.

The oldest extant wooden jail in South Dakota and possibly the United States. 

Abandoned businesses, homes, and rusted cars are all that remains of this stopover town.

Site of the 1879 Cheyenne Outbreak and the site where famed Sioux chief Crazy Horse met his fate.

Population: 1.

This Wyoming town is fascinated by a particular mythical creature.

A small town built on an abandoned airfield has former runways as streets and a bar and grill in an old airplane hangar.

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

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

One of the largest collections of wildlife art in the United States, built into the side of a cliff in rural Wyoming.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

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

An architect's childhood fantasy treehouse made real.

Outsider art meets hard scrabble mountain life in this woodcarver's home/art piece.

This 20-foot-tall sculpture is in honor of the herd of bighorn sheep that call Radium Hot Springs home.

Though many were skeptical at first, these animal-specific routes across the Trans-Canada Highway have been a major conservation success.

A classic mystery spot complete with spots that are said to make you shrink or grow when you stand on them.

Crystal clear, drinkable mountain spring water by the side of the road.

The only road through the heart of Glacier National Park.

Spectacular views await visitors to this lake.

The metal bird, nicknamed "Sandy," stands nearly 40 feet tall and is an homage to the birds that migrate through North Dakota every year.

An underground blaze turned this village into a ghost town.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.