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

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

The celebrated eyesore created by starry-eyed sweethearts.

A haunting collection of the vanished and disappearing natural world.

A mechanized clock where a man fights off a dragon, crab, and rooster.

Paris' linguistic guide to the international language of, yes, love.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

A museum of carnival attractions where you are invited to ride the rides.

This whimsical castle of grottoes was the labor of love of a French postman, and one of the greatest achievements of outsider architecture.

Abandoned railway line circling the city of Paris.

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

Notorious artist squat renovated into legal studios.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

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.

This wooden recreation of a 9th century lake village looks as though it was built yesterday (which it relatively was).

A memorial museum to the political prisoners who were held at Sighet Prison, once one of the most feared places in Romania.

One of the most controversial statues in Romania is an emperor with no clothes.

17th century palace once a meeting place for politicians.

A stunning 18th century pharmacy and medieval chemist's collection.

Religious structure known for its sculpted details.

Romania's triumphal arch looks out over Bucharest.

Check out engineering marvels of the past at this unintentionally retrofuturist museum.

The preserved arm of a third-century sorcerer is believed to have the power to lift curses and spells.