Trains Trains Trains on Instagram: "Hitler’s Impossible Train: The Nazi Railway That Defied Physics. In 1942, Adolf Hitler ordered one of the most extreme engineering projects ever imagined — a railway so wide, so heavy, and so ambitious that it defied physics itself. Known as the Breitspurbahn, this proposed “super-gauge” railway would have used tracks three metres wide, carrying enormous double-decker trains designed more like luxury hotels than transport. Ballrooms, cinemas, marble baths, din