"The glassing alone costs 20 000" was the first thought, that came to my mind, when I saw the Chorin Abbey. It's a quote from "Pride and Prejudice" by Jane Austen. Anyway: Whoever visits Berlin longer than just a few days should "ramble" north and see this architectural diamond.
Estate of the von Arnims at Friedenfelde, north of Berlin. Still a grey ugly duckling from the look, it contains "a swan of a cafè" with outstanding cakes and pies. People come for miles, which means a lot for the road up there probably is the bumpiest road north of the equator.