The main grounds of the Communist Free German Youth school complex, built in the 1950s, near the Bogensee lake, north of Berlin History weighs heavily on the German property market, no more so than at a sprawling lakeside villa that once served as a love nest for Nazi Propaganda Minister Joseph Goebbels. Berlin has been trying to sell the -- in theory -- prime slab of real estate north of the German capital for 15 years.