18th century underground pilgrimage site, dedicated to a Saint that did something...

A remote hilltop covered in giant monoliths haunts the Brittany countryside.

Experience architect Le Corbusier's modernist design for living in the home he designed for himself.

Limestone grottoes turns everyday objects into stone.

A castle-like sea fort from the 17th century is now a museum to oyster farming.

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

The world's largest solar furnace uses 10,000 mirrors to concentrate the sun's rays to generate power.

A former milk-delivery driver and his wife turn their home into a glimmering mosaic.

A Christian retreat founded to welcome refugees fleeing from the Nazis during World War II.

Longest canal tunnel in the world, abandoned in the 1960s.

This secret cemetery where no flag is allowed to fly holds the bodies of American soldiers convicted of heinous crimes during WWII.

A huge Megalithic chamber tomb located behind a cafe.

Guests can stay at a hotel in the former French abbey where lie the tombs of King Henry II and King Richard the Lionheart.

Bordered by forest on three sides and the ocean on the other, the Great Dune of Pilat is the highest sand dune in Europe.

France's high-tech, future-themed amusement park.

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

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

Memorializing the bravery of one young woman facing the monster of her age.

This miniature Paris, built out of trash, is one man's two decade labor of love.

Personal garden filled with mosaics made of recycled garbage.

Ordinary art transforms to extraordinary thanks to locals' quirky sense of humor.

15,000 year old bison sculptures.

This French anatomy museum greets guests with a skinless man, mid-shovel.

The haunting concrete remains of a Nazi pebble crusher can still be found in this small French commune.