An ancient monastery, a locked room, and a mysterious book heist.

A medieval church with largest and oldest collection of Renaissance frescoes in France.

This medieval tower is all that remains of the castle where Joan of Arc was held before being burned at the stake.

Museum in a swimming pool where the water still flows.

The world's largest reflecting pool is just two centimeters deep.

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

Beautiful carved tunnels.

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

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

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

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

A Gothic cathedral created from volcanic rocks.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

The largest underground church in Europe.

For hundreds of years, automatons moving to metallic music have been marking the passage of time.

A French valley with forests so lush it was nicknamed "the Small Amazonia of the Pyrenees."

The mental institution where Van Gogh created some of his most famous work now allows guests to walk in the artist's footsteps.

This Paris art space celebrates the creativity and ingenuity that springs from abject poverty, especially in Africa.

This museum in a Paris apartment gives a unique look at the iconic French singer's life.

At Monet's beloved home you can still see the Japanese bridge, waterlilies, and weeping willows that were the subjects of some of his most iconic paintings.

This structure atop a craggy cliff in one of the most beautiful parks in Paris boasts an unbeatable view.

This salt marsh in Southern France is as pink as the flamingos that inhabit it.

An icy lake tucked among jaw-dropping alpine panoramas.

An immersive projection art installation uses sound, scale, and light to take visitors inside classic works of art.