A homage to the King at the hotel where he revived his career.

The Cold War-era "underground Pentagon" is a sprawling subterranean hideaway for the Defense Department.

Hawaii’s largest cemetery rests inside an extinct volcano crater.

Erroneously called the world's tallest flagpole, this landmark is devoted to "good neighborliness."

A commemoration of over 150 of St. Louis's favorite sons and daughters.

The red brick house where the father of rock 'n' roll wrote some of his classic hits.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

This massive redwood tree has a drive-thru tunnel carved out of its trunk.

The only mine for rare earth elements in the United States has been intermittently active since the 1950s.

This roadside stop between Goblin Valley and the Henry Mountains is the perfect location to view some of the region's natural wonders.

This outsider art paradise is filled with dinosaur sculptures crafted from recycled machinery.

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

Erosion and various mineral deposits give this striking canyon its distinct color and soft appearance.

At this gas station in the middle of the desert, a convenience store has been carved directly into the rock.

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

This sign designates the road that leads to the infamous Area 51.

In the middle of a remote desert town is a surprisingly opulent hotel.

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

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

This Moab institution functions as both a rock store and a small natural history museum.

A small oasis not far from downtown Moab.

A house carved into a rock in the 1940s.

The largest source of fossilized insects anywhere.

Possibly the world's only drive-in movie theater with an attached motel.