This castle-fortress is a living example of the transition from medieval defenses to modern fortifications.

Admire endangered plants in a verdant garden that looks straight out of a Monet painting.

The site of the first medieval crusade that pitted Christians against Christians.

This Corsican Neolithic site is full of pre-Roman megalithic structures that may or may not be penises.

These ruins reveal the remarkably intact layout of a Roman marketplace.

Half a century after it was abandoned, this ghost town is coming back to life.

A winery built on the site of a Gallo-Roman estate uses historical tools to recreate ancient vintages.

Visitors dating back to the 1600s carved their marks in the stones of the iconic tower.

Exquisite examples prehistoric bas-relief carvings.

Bloodstains can still be seen in this medieval church where two medics saved lives on D-Day.

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

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

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

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

This French "sea of rocks" is packed with stunning rock formations and its own medieval castle.

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

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

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

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

These medieval ruins have survived since the 12th century, even providing shelter from the Nazis.

A sublime medieval path adorns the marble floor of one of the most beautiful Gothic cathedrals in France.

Despite centuries of architectural innovation, this French castle is being built like it's the 13th century.

Series of underground houses inhabited continuously for centuries.

An atmospheric, medieval-themed book store hides in a 13th-century underground space.