A hidden treasure in London with a rich medieval history, and the resting place of many luminaries.

A kaleidoscopic warehouse-maze of handmade neon signs.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

Rodin's famous depiction of Dante's 'Inferno', amidst a sculpture garden of many of his other works.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

A part of the world's largest marsh seems to be growing bright red Martian grass.

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

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

This beautiful natural train tunnel is said to grant the wishes of visiting lovebirds.

Extraordinary sculpture garden created by an eccentric English poet.

This "floating railway" is one of the world's oldest monorail systems.

One of Japan's most famous sights, the bridge was originally built in 1673.

An intricate and amazing house built by architect Karl Junker.

Over 1.3 million confiscated wildlife products fill this macabre menagerie of illegal animal specimens.

This interpretive path lets you get up close and personal with dinosaur bones.

Colorado's only true geyser is hidden within the San Juan National Forest.

This 16th-century monastery has been turned into a surrealist architecture compound.

This odd Chilean waterfall-cano hotel must be entered via a rope bridge.

The tallest outdoor elevator in Europe rockets passengers on a dizzyingly precarious ride to the top of a mountain.

This 170-year-old Swiss guesthouse built into the side of a mountain is best accessed by a cable car.

Acres of natural wonders left behind by a socialite-turned-gardener.

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

Countless stories attempt to explain Poland's mysterious J-shaped trees.