1. 
   Teufelsberg
   The Teufelsberg (German for Devil`s Mountain) is a hill in Berlin, Germany, in former West Berlin. It rises about 80 meters above the surrounding Brandenburg plain, more precisely the north of Berlin`s Grunewald forest. It was named after the Teufelssee (i.e. Devil`s lake) in its southerly vicinity...
   Found op http://en.wikipedia.org/wiki/Teufelsberg
   
   
2. 
   Teufelsberg
   (from the article `Berlin`) ...the southeast and the Havel to the west; indeed, about one-third of the Greater Berlin area is still covered by sandy pine and mixed birch woods, ...
   Found op http://www.britannica.com/eb/a-z/t/30
   
   

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