Locals dubbed it the "Owl Building" because of its bird-like appearance.

The Grand Canyon of Texas.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

A museum dedicated to the alleged Roswell Incident.

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

Decaying military base deactivated in the 70s is now visited by urban explorers and military enthusiasts.

Hidden in the New Mexico desert southeast of Roswell, nine small deep lakes formed inside sinkholes.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

This constitutionally sound Muffler Man harkens back to the days these attractions were a must-see.

A blacklight journey through a celestial art exhibit.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

A modernist landscape of water and sci-fi concrete.

This crumbling UFO is one of only a few remaining "moveable ski chalets" of its kind.

In Paris, Texas they have their own Eiffel Tower, it just has a cowboy hat on it.

In Paris, Texas, even Jesus wears cowboy boots.

This small town Texas cemetery is said to be the burial site of a UFO pilot who crashed in the 1800s.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

The ruins of an important pilgrimage destination for worshippers of a Maya fertility goddess.

An unexpected but incredible collection of wildlife dioramas spanning rainforests, swamps, forests, and plains.

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

This quirky Arkansas wax museum does not shy away from the macabre and the grotesque.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.