Wolf's Lair (Wolfschanze) is located in Mazury Lake District (former Eastern Prussia), 4 hours drive from Warsaw. Complex contains over 80 buildings including massive bunkers for high-ranking German Officials like Göring, Bormann, and Hitler, among others. The quarters were a self-sufficient town and in 1944 about 2000 people lived here.
During WW2 Hitler spend over 800 days in Wolf's Lair and this was also the site of an assassination attempt on his life.