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

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

South Korea's love of the silly photograph is on full display at this goofy collection of trompe l'oeil paintings.

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

South Korea's only sex-themed park.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

This giant boulder is pinched over a 1000-meter abyss by two mountains.

A serpentine highway twists and turns over the treacherous Norwegian Sea.

A pocket of jungle amidst urban expansion in Panama.

A mysterious dark-skinned Christ statue has been this town's religious center for centuries.

Right angles in the forests of Panama.

The enormous smoke hides within a little known, semi-secret exhibit inside Havana's Morro Castle Historic Park.

A bronze sculpture of Lenin’s likeness outside Havana surrounded by 12 human figures in solidarity with the Bolshevik Revolution.

A Cuban artist reclaimed his impoverished neighborhood as a dreamy folk art kingdom.

Nature puts on a spectacular show at this blowhole on the eastern side of Gran Canaria.

Containing a personal collection of more than 1,200 jugs from around the world.

This beloved ancient tree is the pride of this city center.

An untouched lava tube accessible to the adventurers.

This technological marvel is one of the world's first 3D-printed bridges.

Legends surround this natural rock formation that looks like a Moorish king wearing a crown.

Remnants of the rich history of fish salting in this ancient Mediterranean port town.

This abandoned gold mine found a second life as a post-apocalyptic film set.

Possibly the oldest masonry dam in all of Europe.

To fit bodies into this Renaissance crypt, they were first left to decompose in the crypt's rotting room.