Artist's eccentric property excessively decorated with found objects and work of his own.

An Orthodox church built by the Royal Family for the Russian community exiled to the French Riviera.

This massive blockhead sculpture hides an entire library.

Avant garde house of Pierre Cardin on the Cote d’Azur.

This stunning natural double arch, the largest in the Alps, went undiscovered until 2005.

A well-preserved medieval village nested on a rocky outcrop and surrounded by a network of cliffs, natural bridges and canyons.

For hundreds of years, automatons moving to metallic music have been marking the passage of time.

A tiled, multi-level garden of survival in Lyon.

A beautiful and classically designed villa, with an hourly infestation of monsters.

This salt marsh in Southern France is as pink as the flamingos that inhabit it.

A Gothic cathedral created from volcanic rocks.

An icy lake tucked among jaw-dropping alpine panoramas.

The largest underground church in Europe.

A cave dwelling that was started by the Celts, expanded by monks, and finished by knights.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

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

A surrealist timepiece by the artist of melting clocks.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

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

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

These fantastically named natural pools look like something out of a Scottish myth.

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.