Restricted area in the middle of Lower Austria's Waldviertel region: Allensteig military training area: on the map, a patch mostly shaded in red. The little-known history of this landscape of ruins begins in 1938, when, in the wake of the annexation by Hitler's Germany, the area was declared a military training ground. As a result, more than 40 villages were resettled between 1938 and 1942.