Wewelsburg

Wewelsburg is a Renaissance castle located in the village of Wewelsburg, which is a district of the town of Büren, Westphalia, in the Landkreis of Paderborn in the northeast of North Rhine-Westphalia, Germany. The castle has a triangular layout, with three round towers connected by massive walls. After 1934 it was used by the Schutzstaffel (SS) under Heinrich Himmler and was to be expanded into a... (Wikipedia)