Wewelsburg Castle

Wewelsburg is a Renaissance castle located in the northwest of North Rhine-Westphalia, Germany, in the village of Wewelsburg (the same name as the castle) which is a quarter of the city Büren, Westphalia, in district of Paderborn in the Alme Valley. The castle has the outline of a triangle. It is known for becoming the ritual headquarters of the SS in 1934 under Heinrich Himmler.