Once the longest swing bridge in Europe.

The only remaining U-boat that is still floating never actually saw any action in World War II.

This chimerical bridge/tunnel appears to dead end right into the sea.

This poignant sculpture of a gnarled weapon is a symbol of non-violence.

Swedish skyscraper with a 90° twist.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

Copenhagen's celebrated theme park and gardens.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Hans Christian Andersen for the postmodern world.

This contemplative sculpture made out of old machine parts is meant to be the first in a series of sculptures around the world.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

Model Trains and Much More in Hamburg.

Eight naturally mummified bodies in glass coffins are housed in an underground crypt.

A spitting ode to a German serial killer.

One of the oldest wine cellars in Germany is now a restaurant beneath Bremen's town hall.

A stunning gilt bronze relief denounced by Hitler as "degenerate art"—even though it was dedicated to the Nazi leader.

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

One room inside this building mesmerizes all with its parabolic dome.