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

A tree-like building perches on its trunk in the Steglitz neighborhood of Berlin.

A state-of-the-art medical facility from the Imperial era is now a derelict ruin.

Berlin's old airport.

The abandoned remains of this Victorian brewery hide crumbling bowling alleys and rusting industrial gear.

In this truly magical place, rent hasn't been raised since the year 1520.

Warsaw's fantastically preserved gasworks...almost.

One of the largest museums in Ukraine remembers the story of the German-Soviet War in iconic, brutalist style.

The deepest metro station in the world.

When you've got to go, you've got to go.

340-foot statue built to honour the Heroes of the Soviet Union.

Cold war icon and onetime "hole" in the iron curtain.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

This attraction was abandoned after the Chornobyl disaster.

This derelict superstructure was a very important warning system for the Soviet military.