A unique structure located on the grounds of one of five grand palaces that were built by the Joseon dynasty.

About as hidden as can be, this specialty coffee shop is wedged between multi-story buildings at the end of a dark, skinny alleyway in Seoul.

A remnant of Korea's colonial past lies forgotten in a hip neighborhood in Seoul.

The world's longest bridge fountain has hundreds of nozzles that create a beautiful, illuminated spectacle.

Final resting place of Geronimo, Quanah Parker, and the first atomic gun ever fired.

American bison herd descending directly from a Bronx Zoo breeding program that saved the species from extinction.

The world's tallest statue of an American hero.

A store full of vintage and indie toys designed to bring out the kid in even the crustiest of adults.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

One part antique store, one part curiosities hodge-podge.

This mysterious abandoned fort looks like something pulled right from Arabian legend.

Feed it cash, get your very own gold bar.

The largest falcon hospital in the world, caring for over 6,000 feathered patients every year.

Over the dunes of the Empty Quarter, the mysterious music of the desert.

Whitewashed mosque contains the world's largest carpet.

A preposterously luxurious hotel with gold-plated iPads, Rolls Royce chauffeurs, and a staff that trains by watching "Downton Abbey."

This artificial archipelago was supposed to resemble a map of the world.

This indoor ski resort has a mountain contained inside a mall.

This portion of a lovely Belize beach is infested with (harmless) sharks and rays.

Sparkling, calcite-covered skeletons of children who may have been sacrificed to appease an angry god.

One of the best beaches in the entire world.

Granite rocks that concentrate waves into powerful jets.

Aqua white sand highlighted with fiery red rocks.

Nine limestone rock stacks on Australia's "Shipwreck Coast."