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

The birthplace of Karl Marx is now a museum dedicated to the communist revolutionary's life and work.

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

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

This Nazi-built amphitheater was constructed on a sacred mountain site used by various German cults.

World's largest barrel containing an inn.

This fountain of a little boy that spits on passersby at erratic intervals is a town icon.

This marvelous array is one of the largest collections of mechanical instruments in Europe.

Fantastic views and thousands of love locks.