This centuries-old Italian chapel hangs midway down a sheer cliffside.

Noirish green neon marks the location of one of the oldest private detective agencies in France.

A Parisian exterminator's shop whose storefront displays stuffed rats hanging from traps.

Dedicated to the art of hunting, with juxtapositions of contemporary art.

"In the Dark" Restaurant in Paris offers dinner in complete darkness.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

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

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

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Since ancient times these picturesque springs have been providing bathers with healing waters.

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

This salt marsh in Southern France is as pink as the flamingos that inhabit it.

Sleep in a climate-controlled plastic bubble for the night.

A natural arch carved by a river gave its name to the so-called "Cave of Forgotten Dreams."

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

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

Pompeii's less famous neighbor is still revealing her secrets.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

Stalactites and stalagmites in a beautifully lit cave.

Five candy-colored villages on the Italian Riviera.

A sunken idol welcomes parishioners to Davy Jones' Locker.

Skulls from the plague of 1656 and World War II bombings are united by a cult dedicated to caring for the ancient dead.

Virgil's many-mouthed gateway to the underworld.