In this Parisian garden's grotesque former life as a zoo it fed exotic animals to the bourgeois and put humans on exhibit.

One of the most powerful religious centers in the Middle Ages, dubbed the founder of Western monasticism.

This church sits upon a peaceful hill and a long, turbulent history.

One of the great treasures of Neolithic art lies within this carefully constructed pile of rocks.

The opulent home that inspired Tintin's Marlinspike Hall and the adventures within.

Folklore and history carved into Brittany's coast.

This bridge was constructed from the rubble of the infamous Bastille.

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

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

The former home of France's controversial pop maestro is almost completely covered in ever-changing tributes and graffiti.

The encased skull that is widely believed to belong to St. John the Baptist.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

The celebrated eyesore created by starry-eyed sweethearts.

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

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

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

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

The oldest church in the Estonian capital is home to over 100 fantastical cemetery coats-of-arms.

A massive underwater sinkhole made famous by Jacques Cousteau.

A church of bones, decorated with 40,000 human skeletons.

A museum dedicated to a secret military hospital hidden beneath a castle in Budapest.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

What looks like a suicide in progress is actually a statue of Sigmund Freud.

The first museum in the world devoted to sexual gadgetry.