Now an entertainment complex, the Lingotto building was once an avant-garde auto factory with a test track on the roof.

When this funny little building went up in the 19th century, most people thought it would simply fall over.

Before there were doorbells this bronze ear was installed for visitors to announce their arrival.

Da Vinci's equestrian statue, 500 years in the making.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

A unique collection of Swiss art brut and naïve art displayed in an old warehouse.

This is not only one of the oldest collections in Europe, but also possibly the most beautiful.

One of a series of no-purpose kinetic artworks by Swiss sculptor Jean Tinguely.

The world's tallest church tower reveals a spectacular view to anyone up to the task of climbing the daunting staircase.

Albert Einstein's head sticks out of a snail shell stacked on a rocket in this truly bizarre monument to the scientist.

It's good luck to be mocked by this monkey.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

This old wooden funicular railway leads to a cemetery in the forest.

Remnants of a cone-shaped Nazi bomb shelter.

The telescope that discovered Neptune.

A fearsome dragon clings to a corner of Munich's city hall.

This century-old cinema house has a marquee that has been hand painted by a single man for over 25 years.

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

This wooden hotel is a temple to German sustainability and forest conservation.

Hamburg's first legal sex work is relegated to a gated street that still does not allow pedestrian women.

This contentious squat has stood through fire, violence, and government intervention as a hotbed of leftist protest.

Hamburgers are intensely proud of their tunnel beneath the river.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.