In buildings like this at Auschwitz, Höss and his colleagues used their own initiative to devise new ways of killing. Józef Paczynski: "I could see everything that was going on as though it were ...

Having witnessed Nazi Germany's killing machine close up ... "The crematorium is a big building with a wide chimney and 15 ovens. Under a garden there are two enormous cellars.

This interactive map explores the complex and surprising evolution of Auschwitz, the scene of one of the worst crimes in human history. This was where more than a million men, women and children ...

Auschwitz: Drone footage from Nazi concentration ... The rubble of one of the buildings destroyed at Birkenau (Photo from 27 January 1995) Determined to find Block 12, we sought out survivors.

And at Auschwitz they journeyed down the long and crooked road to mass murder to create this—the building which symbolised their crime—a factory of death. Dario Gabbai—Jewish prisoner ...