Air-raid tunnels hidden beneath this opulent hotel provided shelter and an escape route—and one of the world's longest slides.

These charming mailboxes became social media stars after a typhoon failed to topple them.

Enormous pendulum helps keep Taiwan's tallest building from swaying.

Life-size animals and furniture made entirely from cardboard fill this odd paper-themed restaurant.

This collection of lakeside pagodas and temples are flanked by giant lions, tigers, and dragons as well as their welcoming maws.

This Taiwanese promontory is covered in otherworldly hoodoo formations.

The world’s largest work of glass art hides in this stunning Taiwanese subway station.

Grandpa Rainbow felt the neighborhood needed some color, so he picked up a paintbrush and went to work.

A rare pod of derelict midcentury Futuro and Venturo houses lines a semi-abandoned beachfront resort outside Taipei.

South Korea's largely symbolic, barely used gateway to the North.

The best place for scenic views of the DMZ and North Korea.

Tracking the 1,500-year history of Korea's star cabbage.

Secret North Korean passage discovered below the world's most dangerous border.

This bird-loving brewery is situated in an old municipal bathhouse, nestled beside a 300-year-old windmill.

This statue once earned the distinction as one of the "Three Major Disappointments of the World."

These ruins once flourished as the capital of the Lydian kingdom, often credited with the invention of metal coinage.

This half-forgotten fortress was constructed by the Ottoman conqueror of Constantinople.

This former Imperial summer home was the venue for a royal slap that once echoed 'round the world.

Climb a steep hill in 90 seconds on the second-oldest urban subway in the world.

The best-preserved ancient theater in the world.

Large miniature theme park with 100-plus models.

The most metal church of all time was built in record time because of an international, pious pissing contest.

Turkish adventurer antiques in the heart of the Grand Bazaar.

These tombs were built into the side of a mountain so that ancient angels could reach the dead.