One of the oldest masonic museums in Paris.

Buddha and Jesus tower over this French mountainside headquarters of the Aumism religious cult.

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.

This demon atop the Notre-Dame de Paris looks utterly bored.

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

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

Architect Le Corbusier built his friend a cubist house to match his impressive collection of cubist art.

An aluminum skeleton brings Chinese mythology to the French shore.

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

Do these monsters look familiar? The gargoyles on this church are all from pop culture.

Science fiction's grandfather has a fittingly marvelous tomb.

A Gothic cathedral created from volcanic rocks.

The largest underground church in Europe.

The former home of France's controversial pop maestro is almost completely covered in ever-changing tributes and graffiti.

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

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

An iconic and eccentric bar for "Manouche" Jazz music keeps expanding its space—and its influence.

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

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

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.

This surreal statue brings a famous French novel about a supernatural cad to arresting life.

Once a 19th-century brasserie, this McDonald's exterior celebrates Alsatian design and the "King of Beer."

This banal Parisian entranceway is not what it seems.