In the location's words:

The Teufelsberg in Berlin is an artificial hill made of rubble from the Second World War, which is now known as an extraordinary cultural and adventure site. On its summit are the remains of a former US Army listening station from the Cold War, whose striking white domes dominate the landscape. The location offers breathtaking views over Berlin and attracts art and history buffs alike, as the walls are adorned with impressive street art paintings. Teufelsberg is also a popular place for walks and exploring nature, making it a versatile excursion destination.