Denghoog's an ancient monument dating from 3,000 BC near Wenningstedt-Braderup on the German Island of Sylt. Mr. W.G. Black speaks of it thus:— » "There's some confusion as to King Finn's dwelling. As doctors differ, we may be allowed to claim that it was the Denghoog, close to Wenningstedt, if only because we descended into that remarkable dwelling. Externally merely a swelling green mound, like so many others in Sylt, entrance's gained by a trap-door in the roof, and descending a steep l… (More on Denghoog)