This massive blockhead sculpture hides an entire library.

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

An often-shuddersome journey into a low-tech, robotic themepark.

The haunting cadaver tomb of a famous French poet, playwright, and filmmaker.

Historic medieval fortified city in southwest France.

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

The sunken structure looks like the victim of a catastrophic flood.

Do these monsters look familiar? The gargoyles on this church are all from pop culture.

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

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

Massive puppet-automaton machines created by French artist collective Machines de l’Ile.