A 19th-century subterranean reservoir repurposed as a contemporary art cave.

This cuddly rodent has a place of honor at a Russian institute for genetic research.

A modern-day Lascaux cave underneath Paris.

In the northernmost city in the world, it's illegal to be buried because it’s too cold for bodies to decompose.

“The oddest pub in South Africa,” inspired by a practical joke.

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

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

A self-built mosaic house and sculpture park.

An aluminum skeleton brings Chinese mythology to the French shore.

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

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

An intricately decorated tiny place of worship.

Sculpture of a legendary French dragon.

The Nobel-Prize-winning author of The Stranger is buried beneath a simple gravestone in a sleepy French village.

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

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

An icy lake tucked among jaw-dropping alpine panoramas.

Nicknamed the "Museum of Horrors," this French anatomical collection has been fascinating visitors for over a century.

A colorful piece of contemporary art cheerfully clashes with Lyon's historical architecture.

This natural French spring has been turned into a magical grotto by Roman and medieval constructions.

At Monet's beloved home you can still see the Japanese bridge, waterlilies, and weeping willows that were the subjects of some of his most iconic paintings.

1920's reinforced concrete church by architect Auguste Perret changes the face of modern design.

Former hunting lodge of a duke who was an avid collector of impressionist works.

The floorboard scrawling of a tragic madman is on public display outside a Paris hospital, much to the dismay of its opponents.