A trading post in the North Pole where children send letters.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

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

Twenty churches beautifully painted by 19th-century Czech and German immigrants in Texas.

A decaying concrete oil tanker served as a disposal location for bootleg hootch.

A park filled with vibrant mosaics created by more than 300 folk artists.

The peaceful space is adorned by paintings by the famed abstract artist Mark Rothko.

There is an unmarked red button hidden over Houston's Buffalo Bayou that is just begging to pushed...

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

This tiny, hurricane-resistant house in Galveston is one of the city's most notable architectural oddities.

The lavish temple of the Cao Dai religion that includes Buddha, Mohammed, Joan of Arc, and Victor Hugo.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

This legendary city has been a tourist attraction for centuries.

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

The world's tallest statue of an American hero.

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

A multi-storied adobe complex has been inhabited for more than a thousand years.

The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.

The highest bridge in America was built for an almost unnervingly small amount of money.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

Travel through the wholesome amusements of yesteryear at this charming miniature village.

This underfoot portrait is the work of a disgruntled painter inspired by a tragic poem.