What am amazing tour, and an even better tour guide/host in Didi! His knowledge is truly 2nd to none and he's a great person to spend 10+ hours with, we had so many great discussions about the history of Germany, Austria, and the Sound of Music, but also about current events around the world. You will be lucky to have him as your guide, would give him 10 stars if we could. Also, our 18 year old son with autism was with us and Didi treated him with true class and respect, and made the day easy for him and all of us, thank you Didi!