This 600-year-old home seems to defy physics.

The last bastion of Roman presence north of the Alps looms over a German town.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

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

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

This 135-year-old weather station studied the effects of the climate on human health.

An abandoned train station in Munich constructed for the 1972 Olympic games.

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

A whimsical bridge adorned with decorative dragons.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

This building has survived for more than a century and remains virtually untouched.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

This spooky statue sits outside a famous Prague theater.

Macabre astrological automaton clock dating to the late 1400s.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

This demon atop the Notre-Dame de Paris looks utterly bored.

The celebrated eyesore created by starry-eyed sweethearts.

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

A simple plaque on the facade is the only reminder that the treaty ending the American Revolution was signed inside.

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

One Portuguese poet described this cape, the westernmost point in mainland Europe, as "where the land ends and the sea begins."

A unique seaside cave where Aleister Crowley faked his own death.