A saloon and inn that served the Wild West's most iconic figures—and is still haunted by some of them today.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

The railroad turning train travel into a cinematic, highly immersive experience has a fascinating connection to Game of Thrones.

Life-sized sculpture of a blue whale made of hand-recycled plastic trash.

The petroleum industry brings you the joys of hydrocarbons and largest collection of antique oil rigs in the world.

Two massive and unstable sinkholes are yearning to unite, and their consummation could be catastrophic.

A cave's rare beauty held a cavernous secret hidden underground.

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

This sculpture is intended to reset a person’s creativity.

The final resting place of the living embodiment of the famous Forest Service symbol.

A wacky, UFO-shaped house in a suburban neighborhood.

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

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

A pair of giant legs paying homage to a poem, a king, and it would seem, socks.

The final resting place of the most famous outlaw in the Old West.

A clear blue swimming hole with hidden caves, still unexplored.

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

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