
1) Artificial hill 2) Hill of Berlin 3) Public art in Germany
Found on
https://www.crosswordclues.com/clue/teufelsberg
[Haardt] The Teufelsberg is a hill massif, 598 metres high, in the southern Palatinate Forest on the territory of Burrweiler in the county of Südliche Weinstraße. It has a subpeak, the Lambertskopf (539 m). The Teufelsberg offers extensive views over the Upper Rhine Plain. It is not accessible by motor vehicle but may be ascended on vario...
Found on
http://en.wikipedia.org/wiki/Teufelsberg_(Haardt)

(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 on
http://www.britannica.com/eb/a-z/t/30
No exact match found.