Links:
http://www.youtube.com/watch?v=pzdtPcNwRtM
http://www.youtube.com/watch?v=jUxSxQlwR6s&feature=related
I suppose as far as concebtration camps go, you have some points - however the death camps in Poland you may find considerably more disturbing. Those would be: Auschwitz-Birkenau, Treblinka, Belzec, Sobibor, Chelmno, and Majdanek.