Nazi Germany went on a construction kick, producing an astonishing number of thematic buildings during just its few pre-WW2 years. And of course there were even more grandiose plans for the anticipated postwar period, such as completely redesigning Berlin. Here is a website surveying not just that original architecture, but what has happened to it since the end of the regime. Postwar there was an almost hysterical effort by the Allies to "de-Nazify" Germany, but in the case of buildings this was problematical, since many of them were still useful. Hence you will see many edifices where the censors were content just to hack off Hakenkreuzen and behead eagles - often leaving "ghost images" more eerie than the originals.
Michael A. Aquino