As a German, one will be no matter what one does, be confronted sooner or later with the German past. Part of this past is marked by a certain megalomania.
Whether you perceive the Atlantic Wall as a great defensive work or as megalomania, you’ll have to decide for yourself. At the Atlantic coast of Europe it is omnipresent.
The bunkers in Brittany, for example, have survived any trial to blow them up. Sometimes they just broke in two pieces or they rose a couple of meters in the air just to land in the sand again.