This bridge's unique architecture honors nautical heritage and encourages self-awareness.

This contemplative sculpture made out of old machine parts is meant to be the first in a series of sculptures around the world.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Hans Christian Andersen for the postmodern world.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

Known simply as "The Hand," this famous public sculpture in Berlin was featured in a Depeche Mode music video.

The world's first clock to use set theory as a measure of time required the invention of a new light bulb just to maintain its obtuse measurements.

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

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

A plaque on the side of a building is a small tribute to the woman who invented an iconic Berlin fast food.

A century-old shot ball factory tower is open to the public once a year.

Berlin's beloved bear is immortalized at the Museum für Naturkunde.

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

Home to 10,000 medical specimens including the remains of Rudolf Virchow's extensive collection of pathological specimens.

Potato-peeling mannequins, Inca art, and a dangling tuber mobile help trace the history of fries at this Belgian museum.

Christ's blood preserved in a Belgian town.

The bronzed skull of a beheaded traitor was affixed to the city gate in the 17th century.

A beer pipeline runs beneath Bruges.

The spectacular and eerie moss-covered grave site of 19th-century Belgian merchant.

The oldest cemetery in Belgium.

You can spot this teeny tiny stained-glass window from the Bonifacius bridge.

The compass on its front was a handy tool for 17th-century merchants who needed to know the direction of the wind.

A piece of stonework relief commemorates the site where the Devil's rage, and odd apparel, destroyed a house.