This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

This automated sculpture of two men peeing will spell out text messages with their micturition.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

This monumental work of art symbolizes the coming together of a previously divided city.

Art installations, derelict railcars, and endangered grasshoppers all call this south Berlin park home.

A slice of central Asia in the middle of Berlin.

This small Roman arch was transformed into a dwelling by the founder of the Trinitarian Order.

An alchemist's "magic door" stands in the middle of a Roman park.

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

A traditional U-Bahn station in Berlin gets a string of rather untraditional benches.

Metro station with a claim to rock n' roll fame.

A remarkable cabinet of curiosities in an art space in the center of Berlin.

Heralded as the world's first theater, these ruins are often overlooked as they reside in the shadows of the Acropolis.

The oldest cemetery of modern-day Athens blends the modern and ancient worlds.

This museum is home to a sugar sculpture of the Berlin Airlift Memorial.

The patron saint of spinsters grasps a container of dried blood.

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

The footprint of a frustrated devil in Munich's Cathedral.

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.

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

The scars of World War II are preserved on its walls.

Go surfing on this urban wave, "hacked" by local surfers.

This beautiful 19th-century temple stands atop the ruins of its predecessor.