Gallows where Rudolf Hoss, the camp commandant, was hanged, Auschwitz concentration camp, UNESCO World Heritage Site, Oswiecim, near Krakow (Cracow), Poland, Europe

Camp Commander, Penal Camp, Red Army, Nizhny Novgorod, Russia

Commandant's House, Queen's Bastion, with moats, Spandau Citadel fortress, Berlin, Germany, Europe

Commandant's House, with moats, Spandau Citadel fortress, Berlin, Germany, Europe

Commandant's House, Queen's Bastion, with moats, Spandau Citadel fortress, Berlin, Germany, Europe