This stunning French estate was so lavish that it landed its original owner in jail for the rest of his life.

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

A short distance from the Eiffel Tower is the final resting place of several of the city’s more well-known and interesting characters.

One of the oldest masonic museums in Paris.

Beautiful carved tunnels.

This professional clown's home is an outsider art wonderland.

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

The great Italian Renaissance painter was laid to rest here in the Chapel of Saint-Hubert.

Dedicated to the art of hunting, with juxtapositions of contemporary art.

The oldest and smallest cemetery in Paris is only open to the public twice a year.

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

The artist and his brother are buried in a landscape straight out of a van Gogh painting.

A mud statue stands in the dark tunnels, seeming to hold up the weight of the city above.

A public park off the beaten path with a beautiful waterfall and 13th century Cistercian abbey.

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

An enchanting work of outsider art, full of whimsical sculptures and carvings.

Science fiction's grandfather has a fittingly marvelous tomb.

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

A medieval military street hidden beneath a charming French fishing village.

An aluminum skeleton brings Chinese mythology to the French shore.

A Gothic cathedral created from volcanic rocks.

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

This recessed garden protects thousands of mountain plants by creating its own microclimates.

Ivy-covered Medieval tunnels cut through this charming town in France's Loire Valley.