A mosaic-tiled house built by graveyard sweeper Raymond Isidore.

A village of art and exotic creations.

A bike train runs along a disused railway line through the tranquil French countryside.

Beautiful carved tunnels.

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.

Figures of unknown origin carved into the surfaces of underground caves.

Guests can stay at a hotel in the former French abbey where lie the tombs of King Henry II and King Richard the Lionheart.

Exquisite examples prehistoric bas-relief carvings.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

The ghostly remains of an accidental sea.

An enormous, inside-out glass globe built in 1935.

A bizarre house filled with an astounding array of collections.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

Most-visited and most-photographed slot canyon in the American Southwest.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

An abandoned beach resort in Normandy reclaimed by artists.

If they push on just the right spot, even the weakest person can move this titanic boulder.

A remote hilltop covered in giant monoliths haunts the Brittany countryside.