Ride the rails on a train harkening back to a 19th-century marvel.

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

Sky ships, planes, and portraits left as unique tokens of hope and thankfulness.

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

A unique zoological park home to over 30 species of wild cats, both big and small.

A small museum of antique transport that's a must-see for bicycle lovers.

A copy of the Statue of Liberty greets visitors to the birthplace of Auguste Bartholdi.

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

This army of concretions is an unexplained geological phenomenon unlike anything else in the world.

Wall after wall of this French seaside neighborhood is intricately decorated with seashells and corals.

This triumphal arch celebrating the Sun King's conquest of Lille is a masterpiece of military architecture.

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

Exquisite examples prehistoric bas-relief carvings.

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

Tens of thousands of ancient rock carvings hidden in the heart of a French national park.

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

The birthplace of the ferocious William the Conqueror, this castle is awash in medieval history.

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

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

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

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

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

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

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