http://www.history.com/photos/holocaust-concentration-camps View photos of the concentration camps operated by the Nazi regime. en Copyright 2013, History.com Tue, 18 Jun 2013 04:00:00 GMT History.com 2013-06-18T04:00:00Z en Copyright 2013, History.com http://www.history.com/photos/holocaust-concentration-camps/photo1 Entrance to the infamous Auschwitz-Birkenau death camp which operated 4 gas chambers where 6,000 people were put to death each day by the Nazi regime. http://www.history.com/photos/holocaust-concentration-camps/photo1 http://www.history.com/photos/holocaust-concentration-camps/photo2 The phrase on the main entrance gateway to the Auschwitz camp of Auschwitz-Birkenau translates to "Work will make you free." Auschwitz-Birkenau was the largest Nazi concentration camp and extermination camp. http://www.history.com/photos/holocaust-concentration-camps/photo2 http://www.history.com/photos/holocaust-concentration-camps/photo3 Fences surround the concentration camp at Auschwitz. An estimated 1,000,000 to 2,500,000 people were exterminated at the camp. A row of chimneys tops the crematorium, were bodies were burned. http://www.history.com/photos/holocaust-concentration-camps/photo3 http://www.history.com/photos/holocaust-concentration-camps/photo4 Prisoners from Hungary arrive at the Auschwitz concentration camp, about 50 km west of Krakow, Poland, spring 1945. http://www.history.com/photos/holocaust-concentration-camps/photo4 http://www.history.com/photos/holocaust-concentration-camps/photo5 A view of barbed wire fences, buildings and chimneys at Auschwitz-Birkenau, the largest Nazi concentration camp and extermination camp in operation during World War II. http://www.history.com/photos/holocaust-concentration-camps/photo5 http://www.history.com/photos/holocaust-concentration-camps/photo6 This gas chamber was the largest room in Crematorium I at Auschwitz. The room was originally used as a mortuary but was converted in 1941 into a gas chamber where Soviet POWs and Jews were killed. http://www.history.com/photos/holocaust-concentration-camps/photo6 http://www.history.com/photos/holocaust-concentration-camps/photo7 The ovens at Auschwitz cremated the bodies of those who died in the camp. http://www.history.com/photos/holocaust-concentration-camps/photo7 http://www.history.com/photos/holocaust-concentration-camps/photo8 This photo from 1981 shows the interior of one of the dormitory houses at the Auschwitz concentration camp in Poland. http://www.history.com/photos/holocaust-concentration-camps/photo8 http://www.history.com/photos/holocaust-concentration-camps/photo9 Two World War II prisoners of war stare through a barbed wire fence at Buchenwald Concentration Camp near Weimar, Germany in 1945. http://www.history.com/photos/holocaust-concentration-camps/photo9 http://www.history.com/photos/holocaust-concentration-camps/photo10 Survivors at Buchenwald Concentration Camp remain in their barracks after liberation by Allies on April 16, 1945. Elie Wiesel, the Nobel Prize winning author of Night, is on the second bunk from the bottom, seventh from the left. http://www.history.com/photos/holocaust-concentration-camps/photo10 http://www.history.com/photos/holocaust-concentration-camps/photo11 The gas chamber at Majdanek, a Nazi concentration camp in Poland, the walls were stained blue by Zyklon B. http://www.history.com/photos/holocaust-concentration-camps/photo11 http://www.history.com/photos/holocaust-concentration-camps/photo12 Emaciated survivors of one of the largest Nazi concentration camps, at Ebensee, Austria, entered by the 80th division, U.S. Third army on May 7, 1945. http://www.history.com/photos/holocaust-concentration-camps/photo12