Böttcherstraße's bells, extolling Nordic virtues and the great conquerors of the world.

A memorial for a young woman and her ghost, which are claimed to have caused countless deathly shipwrecks.

Centuries of warfare, tragedy, executions, and poetry come together in this 13th-century fortress.

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

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

Largest illuminated advertisement sign in the world.

This strange building looks like a medieval fortress crashed into a 1960s Brutalist office block.

This mine is home to the largest man-made hole in Europe.