This Nazi ruin was the site where Hitler was almost blown up by a suitcase bomb.

Ruins of a German Castle on top of a towering stone pillar.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

An eerie, derelict amusement park in Berlin.

Museum preserving torture methods from the past.

An idyllic hotel that gave its name to a supposed shadow government.