This Wyoming town is fascinated by a particular mythical creature.

The high point on the 16th president's eponymous roadway is marked by a massive version of his head.

One of the smallest towns in the United States.

This highest peak in Idaho can only be reached by traversing a formation known as "Chicken-Out Ridge."

See just what life was like in a 19th-century prospecting town.

An Idaho legend carved out a cave village with his own two hands.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

A museum dedicated to the alleged Roswell Incident.

Oddly shaped rock formation, misassociated with a nearby utopian community.

A monument to a survivor of harsh pioneer life, frostbite, and primitive surgery.

Hundreds of drawings left by the land's previous inhabitants remain mysterious.

Despite its name, this route in southern Utah offers a heavenly day trip.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

A smoke stack so large, the Washington Monument could fit inside!

A 6-mile-long lake created by an apocalyptic seismic event and the deadly chain reaction that ensued.

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

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

Boise State's stadium was the first non-green football field in the world.

A small section of Boise, Idaho maintains the unique culture and traditions of the Basque people.

The mayor made the declaration in 2004.