A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

A battle between nature and architecture in the Cambodian jungle.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

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

An underground city of salt.

The original film set of Luke Skywalker's Tatooine home from the 'Star Wars' trilogy.

Civil War Fort on an island in the Boston Harbor.

There's nothing creepier than a cemetery next to a clown motel.

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.

A picture-perfect town, perfect for blowing up.

A Texas-sized particle collider that was abandoned due to its Texas-sized budget.

Glacial lake that mysteriously empties itself every year.

Beautiful carved tunnels.

A petite white lighthouse perched on the ancient core of Stromboli Volcano.

Three buildings constructed of over 25,000 multicolored glass bottles.

A US military accident created the legends behind this Mexican version of the Bermuda Triangle.

Tour the original street level of Port Angeles, buried underground in 1914.

A waterfall 600 ft. inside a mountain, once the bane of gold miners, is now a spectacle of nature.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

Once strictly off-limits, this lower level housing curious and priceless vehicles of the Petersen Automotive Museum is now open to the public.

The story of Two Guns, Arizona could easily be described as a Shakespearian tragedy on Route 66.

Not one, not two, but three natural bridges remain in this captivating spot post-sinkhole.

"Not too many people can say they've had a nuclear bomb dropped on them, not too many would want to." — Walter Gregg.