Among the most notable Renaissance castles in Northern Europe is Glücksburg Castle. The castle was the administrative centre for the ducal lines of the Glücksburg family and, for a while, the main residence of the monarch of Denmark. The structure is in the northern German town of Glücksburg on the Flensburg Firth. The building is a water fortress. The castle gave rise to the ducal house of Glücksburg, whose members are related to practically all European dynasties. The castle is currently o ... (Read More)