A true Valhalla for cactus and succulent lovers.

Take a hidden path to the mouth of the cave to watch millions of bats swarm at sunset.

This collection of reclaimed landmines acts as both an exhibition of their deadly history and as a shelter for children affected by them.

Khmer Rouge's high security prison.

A quick and simple solution to Cambodia's train woes.

5,000 skulls in memorial to those killed by the Khmer Rouge.

A former French military respite turned jungle tourism hotspot.

A series of tiny artificial islands rich with produce bob atop the surface of the lake.

Over 2,000 ancient temples dot the Myanmar landscape at the site of this famed archaeological site.

Sweden's "good old days" painstakingly re-created in a model village.

Copenhagen's celebrated theme park and gardens.

A museum marks and documents the site of the Titanic's launch.

This bridge was constructed from the rubble of the infamous Bastille.

This enormous storm barrier is one of the largest moving structures on Earth, with each arm taller than the Washington Monument.

The celebrated eyesore created by starry-eyed sweethearts.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

France's most famous cemetery, with some of its most curious tombs.

Salt cured mummies continue to turn up in this Iranian mine.

A collection of venomous snakes and reptiles for the whole family to enjoy.

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

This Taiwanese promontory is covered in otherworldly hoodoo formations.

A waterfall runs right through the middle of this Taiwanese shrine to the hundreds of workers killed while building a nearby highway.

Looking for a crappy restaurant? Pull up a porcelain bowl and enjoy your meal.

An extraordinary natural landscape of mountains, waterfalls, and rocky cliffs riddled with tunnels.