A beautiful geyser under environmental threat.

Other-worldly rock formations and ancient fossils abound in this unique stretch of Nebraska badlands.

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

Population: 1.

A small Wyoming town is home to the state's oldest-operating soda fountain.

Long before guestbooks and hotels, frontier travelers signed their names on this rock face.

This Wyoming town is fascinated by a particular mythical creature.

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

The first declared National Monument in the United States.

Yes, this monument is aware that it is about 20 miles away from the actual center of the United States.

The crumbling structure is a rare surviving relic of the area's bygone mining industry.

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

An antique Beechcraft airplane serves as a giant windsock for people driving through the blustery open country of eastern Wyoming.

Seth Bullock, the sheriff of Deadwood, built this town immediately after Teddy Roosevelt’s death in 1919.

This geodesic gallery holds a collection of painted spheres that make traditional canvases look lazy by comparison.

This vintage train once gave new meaning to “swimming upstream.”

A cemetery housing wild west legends in South Dakota.

Dance on a hand-hewn log floor padded with bouncy boxcar springs at a saloon built in 1883.

It is the only marker for one of the most famous hate crimes in American history. There are no other memorials for him in the entire state.

A monument to the egos of two railroad magnates that fell into decline along with their careers.

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

This erect, phallic geological spire wasn't always named so domestically.

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

One of America's first dinosaur parks gives a window into Depression-era paleontology.