Here you can find a guided tour for Berlin-Grunewald, unfortunately it is in german:
http://www.berlin.de/ba-charlottenburg-wilmersdorf/bezirk/kiezspaziergaenge/021109.html
Berlin-Grunewald is a very wealthy area of Berlin, a certain percentage of its inhabitants were jews, among them Walther-Rathenau, Alfred Kerr, a very important theater critic in the twenties. His daughter wrote the book "When Hitler Stole Pink Rabbit" and many others. Berlin-Grunewald is a villa quarter, and if you like to see mansion in art nouveau-style, take this tour!