Strange red rock formations that have been attributed to a higher power for hundreds of years.

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

Legends surround this jagged rock formation in the New Mexico desert.

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

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

Historic funicular railway, believed to be the shortest railroad in the world.

High on a hill overlooking Los Angeles lives a world famous, high-power conical Tesla Coil.

A wall of chewing gum moonlights as collective art.

A burnt-out motel with priceless Native American artwork in the basement, redeveloped into apartments.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

A museum devoted to osteopathy and its creator, Andrew Still.

This majestic tree has survived 400 years of storms, droughts, and floods, and is a beloved natural landmark in Missouri.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

Less a museum than a bizarre fantasy world created by artists and engineers.

This beloved marketplace mascot poops money and grants good luck.

An Irish Memorial commemorating those who perished due to potato blight.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

This elaborate towering structure was once famed for its revolutionary height.

Yo, Adrian!

The first "Hut" was actually a small brick building.

The final remnant of the Arkansas zinc industry is this historically protected ghost town.

This former mining town was named the most toxic town in America.

Home to items never before seen by the public.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.