Former home to Polish artist Tamara de Lempicka's dazzling Art Deco duplex studio.

A museum preserving the remnants of three villages submerged by Der Lake.

A picturesque vertical garden provides respite from the bustling streets of Bordeaux.

Limestone grottoes turns everyday objects into stone.

Hundreds of secret cabinets built into the walls of legendary poisoner's private work room.

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

The experimental test tracks of a retro-futuristic monorail still stand in the French countryside.

The home and studio of one of the most celebrated female artists of the 19th century.

Peeing dogs guard the Roman hunting goddess atop a fountain at France’s Château de Fontainebleau.

Hundreds of dwarf beeches create an unusual, haunting forest in the north of France.

A road that ends in the middle of a farmer’s field is one of the only remnants of this once-famous racetrack.

This small red school was where Germany signed their surrender during WWII.

An image of the legendary saint stands in the shadow of a cathedral she liberated.

Bits of architecture from a town destroyed in World War I now decorate this hotel garden.

An Orthodox church built by the Royal Family for the Russian community exiled to the French Riviera.

A quarry cum sculpture park where the works of art are chiseled into the very walls.

St. Peter’s, in Western Germany, has stood as a masterpiece of Romanesque architecture since 1181.

A priceless work by the 17th-century Dutch master is on display in the parish church of a French village.

A medieval house adorned with enigmatic carvings, including one of a man displaying his masculine attributes.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

The first green space constructed on an elevated viaduct.

In this Parisian garden's grotesque former life as a zoo it fed exotic animals to the bourgeois and put humans on exhibit.

France's Lilliputian park displays over 100 of the country's monuments for visitor perusal.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.