Meersburg Castle on the Bodensee (Lake Constance) in Baden-Württemberg, Southwestern Germany, is the oldest inhabited castle in Germany. Its central tower was first built during the 7th century, though the original structure is no longer visible.
I have been deeply in love with the seemingly nonsensical answer for such a long time, this is unbelievable and wonderful and I adore it so much- what a paradigm shift!!
As fan theories go this is a fun one, whether true or not.
RandomFandom 
