This church looks more like a spaceship than a house of worship.

A fake medieval village in the middle of Turin.

The astonishing collection of an infamous criminologist.

The location of the last witch trials of Italy, known as "The Salem of Europe."

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

Claude Monet immortalized this medieval bridge in two of his paintings.

A beautiful discovery site of prehistoric burials.

This statue of the great Argentinian car driver is located near a famous curve of the Monaco Grand Prix.

Grottoes, sculptures, and recycled ceramics permeate what was once just a small farm in France.

A small town hallucinates en masse - Bad bread, or CIA science project?

This mysterious sculpture was thought to symbolize a world ravaged by misery.

A crumbling island fortress that seems to be covered in a field of stone crosses but is simply incomplete.

France's third-largest necropolis offers a peaceful respite from a busy port city.

A place to see how French aristocrats lived in the early 1900s.

One architect's organic, human-centric design has been fully realized in this alien art house.

Museum celebrating the ocean, with the largest wunderkammer dedicated to sea exploration.

This massive blockhead sculpture hides an entire library.