A South African bar inside a hollowed out 6,000-year-old Baobab.

Raging waters have created a strange geological site that looks like something off of a progressive rock album cover.

Faith and landscaping come together in a small Danish haven dubbed the "Bible Garden."

Dozens of musicians have planted trees in this Danish park, and donated songs to go with them.

A failed attempt to control drifting sands yielded a gnarled sylvan wonderland.

The decaying remains of a 1960s mechanical wonderland that never officially closed.

Nearly 40 miles and 1,000 years of limestone mines under Denmark.

This Danish rock field is actually a sprawling ancient cemetery holding the bodies of 700 Vikings.

This secret collection of the strange and occult was rediscovered in a forgotten room of an old house.

A 19th-century subterranean reservoir repurposed as a contemporary art cave.

Six beautiful wooden giants are hidden around Copenhagen.

Rocks that take on the likenesses of several recognizable living entities crowd the Wang dong Rock Quarries.

A monument to the two U.S. officers killed by North Korean troops while trying to trim a poplar tree.

The site of many tense prisoner exchanges across the Military Demarcation Line between North and South Korea.

The 400-year-old remains of the samurai invasion of Korea.

Landbridge created by the South Korean version of Moses.

A Korean village where times stands still.

Over 80,000 carved wood blocks make up one of the world's oldest intact Buddhist canons.

Asia's largest limestone cave is home to a world of plastic goblins and gold mining history.

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.

One man and his wife have turned a barren Korean island into a fantastical botanical wonderland.

To enter the lower hall of this temple, you must first walk through a dragon.

The abandoned hospital whose elaborate ghost stories cover up the dirty truth - an uneventful sanitation issue and other mundane reasons for its demise.

A theme park made of glass, from the gleaming books on the shelves to the crystal fish in the mirror lake.