The Auschwitz complex wasn't on the main route to anywhere.

For many, the chilling emptiness of the 430 acres at Birkenau, the second camp at the Auschwitz complex, is the most eloquent testimony to what occurred here.

Bobrek subcamp was evacuated along with the other camps in the Auschwitz complex on January 18, 1945.

The Auschwitz complex was photographed accidentally several times during missions aimed at nearby military targets.

Perhaps the most notorious example was Birkenau, part of the Auschwitz complex, which held the gas chambers in which an estimated 1.5 million people were killed.

(For example, the building the nuns used was actually part of the Auschwitz complex, used for storage of poison gas).

Only at Birkenau, a death camp that is part of the Auschwitz complex, did he speak in his native German, in a prayer.

It served as the office of the entire Auschwitz complex.