This mine is home to the largest man-made hole in Europe.

Tourists often confuse this beautifully ornate former cigarette factory for a mosque.

One of the most iconic neon ads of former East Germany.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

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

The celebrated eyesore created by starry-eyed sweethearts.

The video game-themed street art first popped up in the French city.

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

A series of abstract, silly sculptures represent the works of a great modern classical composer.

This Paris art space celebrates the creativity and ingenuity that springs from abject poverty, especially in Africa.

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

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 former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

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

Paris' linguistic guide to the international language of, yes, love.

The narrowest street in Paris.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the century.

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

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

The Argonaute submarine was the French navy's pride and joy in the 1950's.

This bridge was constructed from the rubble of the infamous Bastille.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

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