A mural and a few historical markers commemorate Denver's once-thriving Chinatown, which was obliterated in a racist riot.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

This UFO landing strip was created by a charitable Wyoming city that was worried about residents of Jupiter.

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

Surrounded by a hundred mile radius of billboards, Little America is a roadside attraction whose primary appeal is hospitality.

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

A beautiful geyser under environmental threat.

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

The remote outlaw hideout of Jesse James, Butch Cassidy, and the Sundance Kid.

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

The first declared National Monument in the United States.

This tiny lake temple dedicated to a water goddess seems to float on the surface.

Hindu temple of the dead home to hundreds of long-tailed macaques.

Abandoned city hidden from the world by tropical forest and isolation on the coast of Kenya.

Population: 1.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

A downtown park built on top of unclaimed graves.

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

This Wyoming town is fascinated by a particular mythical creature.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

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

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

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."