The largest mosque in Germany.

The bones of the Biblical Magi traveled to Constantinople and Milan before landing in their current home inside an elaborate golden reliquary in the Cologne Cathedral.

This 19th-century fountain features sculptures of little gnomes that help with chores.

If the tunes of antique organs and musical marionettes don't intoxicate you, the draft beer certainly will.

This small condiment museum makes all manner of mustards with a 200-year-old mill.

Life-sized bronze statues of fictional puppet characters.

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

The body of at least one victim of a construction accident was left behind in the collapsed pylon, buried under tons of concrete.

Largest illuminated advertisement sign in the world.