The "Prussian Versailles" that is as glorious today as when it was built.

Super-heavy Nazi architectural experiment.

This World War II bunker now survives as a documentation of the Nazi regime and war crimes.

Home to 10,000 medical specimens including the remains of Rudolf Virchow's extensive collection of pathological specimens.

A surreal museum of extraordinary industrial objects.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

The remnants of a depressing public toilet are now a hub of ever evolving street art.

Have a seat with the father of modern computing at this Manchester monument.

The Netherlands' first car tunnel has an unusually rectangular shape.

A dramatic art installation features a BMW flying out of a building in Rotterdam.

Rotterdammers' dirty minds gave this santa a dirty nickname and cursed it to a life of wandering.