One of the world's most complex timepieces.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

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

A chapel on a volcanic core, marking the end of a successful journey.

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

The encased skull that is widely believed to belong to St. John the Baptist.

A mosaic-tiled house built by graveyard sweeper Raymond Isidore.

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

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

A natural arch carved by a river gave its name to the so-called "Cave of Forgotten Dreams."

These quaint French houses dangle precariously over a precipice.

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

Massive puppet-automaton machines created by French artist collective Machines de l’Ile.

An icy lake tucked among jaw-dropping alpine panoramas.

This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.

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

Historic medieval fortified city in southwest France.

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.

A beautiful and classically designed villa, with an hourly infestation of monsters.

The famous winding walk at Chartres is surrounded in mystery and myth.

A Gothic cathedral created from volcanic rocks.

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

Ancient paintings known as the "Sistine Chapel of Cave Art."