Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

These paved rills bring freshwater into Altstadt and could spell wedding bells for whoever stumbles into the waters.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

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

Cold war icon and onetime "hole" in the iron curtain.

Berlin's old airport.

A fascinating insight into daily life in the Eastern Bloc.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

This monumental gateway marks the northern edge of Brighton and is a welcome sign to all visitors to the seaside city.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

A miniature model of the iconic Stockholm department store.

Stockholm's deepest subway station is also a stunning ecological wonder.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Hotel designed by indie graphics artists.

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

Arthur, Merlin, and Guinevere are among the largest and oldest satellite dishes on the planet.

A open air theatre built on a cliff by an eccentric British woman.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

Old Tudor home moved on thick iron rails to a new spot.

A building that survived WWII, possibly on the virtue of its name alone.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.