This Parisian gem is one of the most incredible ethnographic museums in the world.

Montmartre's sole surviving windmill became an iconic landmark for 19th-century painters, artists, and bohemians.

Ordinary art transforms to extraordinary thanks to locals' quirky sense of humor.

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 lesser-known Frank Gehry building houses a treasure trove of cinema history.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

A beautiful Victorian statue shows France's enduring love of the rhinoceros.

This massive library holds what was once the largest book collection in the world.

If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

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

What if all public housing projects had been designed by "the Pygmalion of modern architecture," not only their prototype?

This church looks more like a spaceship than a house of worship.

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

This winding road through an Italian canyon may be the most scenic drive in the world.

The world's longest and deepest train tunnel.

After local authorities changed the design, the building's architect, Le Corbusier, wanted nothing to do with it.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

The most visited, and possibly most controversial, museum in Germany.

Dedicated to the European Sinti and Roma peoples murdered during the Holocaust.

One of downtown Berlin's last reminders of its Communist past.