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

An aluminum skeleton brings Chinese mythology to the French shore.

These quaint French houses dangle precariously over a precipice.

A well-preserved medieval village nested on a rocky outcrop and surrounded by a network of cliffs, natural bridges and canyons.

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

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

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

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

The largest underground church in Europe.

Where the high court feasted, frolicked, and high courtesans put their royal lovers' diamonds to the test.

This off-limits room in the National Library of France is home to a system of pneumatic tubes, once used to bring books to readers.

Hidden away in a modern library are the remains of one of the 18th century's most celebrated wunderkammers.

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

This natural French spring has been turned into a magical grotto by Roman and medieval constructions.

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

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.

Hundreds of hidden passageways weave through the old quarters of Lyon.

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

A cave dwelling that was started by the Celts, expanded by monks, and finished by knights.

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

A 14th century bridge built as a fortress, where the devil lurks on one of its towers.

An icy lake tucked among jaw-dropping alpine panoramas.

Original cabaret handbills, posters, and feline artwork are a purrfect highlight of the Museum of Montmartre.

One of the greatest maze designer’s greatest mazes.