The unusual patterns in this rock formation result from two distinct modes of weathering.

A tunnel with windows, so you don't miss out on the impressive views.

Irontown was founded in 1868, as a second attempt to mine iron from the nearby Iron Mountain.

This magnificent natural sandstone bridge is one of the largest in the world and is an iconic symbol for Lake Powell.

A surreal, interdimensional shopping center and portal to another universe by Meow Wolf.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

An ode to one of the dirtiest jobs during the construction of the Boulder Dam.

A lovely park home with a few interesting guests.

A professional special effects makeup artist’s collection of horror creatures and one-of-a-kind recreations on display in downtown Boulder City.

On the outskirts of Pennsylvania’s capital city, a reminder of the worst accident in U.S. commercial nuclear power plant history.

Pillars made of 700 pieces of luggage climb to the ceiling of Sacramento Airport's baggage claim.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

Flashy signs from Las Vegas’s past find their final resting place at this unusual graveyard.

A diorama of the Civil War, fought by cats.

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

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

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.

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

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

A display of magnificent stained glass windows is the first exhibit of its kind.

A bizarre house filled with an astounding array of collections.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

A toxic ghost town sitting atop a massive coal fire.

This tiny old water tower once doubled as a makeshift jail.