The eclectic observatory castle of a 19th-century astronomer and explorer.

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

An often-shuddersome journey into a low-tech, robotic themepark.

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

The remains of this castle, known as the Witch’s Eye, watch over the Thur Valley.

15,000 year old bison sculptures.

Explore this medieval cathedral by trying to spot all the malevolent monsters hiding in its beautifully colored windows.

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

Artist Danielle Jacqui decorates nearly every inch of her home inside and out with her work.

Site of one of World War I's most horrific scenes.

Personal garden filled with mosaics made of recycled garbage.

The ruins of a medieval castle linked to the murderous French lord that inspired the famous legend of Bluebeard.

Fighting the British and making game shows for over 150 years.

This mountain trail inspired Nietzsche to complete his magnum opus.

Folklore and history carved into Brittany's coast.

Walk through living pictures and music in the Cathedral of Images.

An unusual sand beach in the middle of a forest.

A huge Megalithic chamber tomb located behind a cafe.

Natural mummies hidden in the crypt of a medieval French church.

From carts to cars, this leftover Roman bridge in France has managed to survive for centuries.

This 1,400-year-old abbey was once a powerhouse for music and intellectualism known across Normandy.

A neighborhood church's unusual abstract stained glass was the final project of avant-garde artist Jean Cocteau.

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

Resting on a hill overlooking the coast, these medieval ruins look completely deserted save for their restored chapel.