This remote Montana battlefield is the site of the Nez Perce Flight of 1877.

An abandoned amusement park hints at the twisted history of the Newfoundland Railway.

An eatery in a shallow river where diners can enjoy their meal mere feet from the base of an artificial waterfall.

The top of society once luxuriated in this world-class hotel, which continues to impress, even in ruin.

With its mine closed, this old village is starting to resemble a ghost town.

For nearly 50 years this airplane that crashed during World War II remained missing in the remote Australian backcountry.

Built to transport German U-boats through the never-completed Masurian Canal, the locks near this Polish village are now home to a rope course.

Where scientists keep miles of very valuable ice from Antarctica and Greenland from melting.

A taste of Middle Earth, in the middle of the Bayou City.

The tragic heiress Barbara Woolworth Hutton built her seventh husband this Japanese-inspired palace in Mexico.

Once luxurious, these oceanfront beach homes have been left to succumb to the elements as the beach is slowly washed away.

The world-record holder for the longest bridge stretching continuously over water.

Inaccessible by foot, Japan's most secluded train station sits in the middle of nowhere.

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

George Martin's Caribbean recording studio now rots within the shadow of an active volcano.

An atomic bomb-proof strongbox protects the U.S. Constitution from terrorists and thieves.

Obscure Freemasons still live in D.C.’s largest private residence.

An Industrial Revolution-era public work that purified water using nothing but sand.

An overgrown and abandoned tuberculosis ward resides in the midst of a quaint modern neighborhood.

Camels and crocodiles share the black waters of this stunning Saharan oasis.

An abandoned church gets a second life as a massive beer hall and event space.

This stunning 15th-century royal hill fort preserves the age of chivalry in Rajasthan.

One of the largest sand dunes in the world is nicknamed the "Scary Mountain" due to its steep slope and sharp incline.

Neither Spanish settlers nor anyone since has been able to tell who built these strange California rock walls.