Auschwitz, once the most notorious camp in the Nazi machine, is today considered a success in the campaign to preserve the legacy of the Holocaust. The foundation supporting the site has attracted tens of millions from donor countries, and the camp’s barracks and gas chambers will be preserved for decades, if not generations, to come. The museum memorial at the former Nazi death attracts more than 1 million visitors per year. But Auschwitz’s very public success is threatening not just to overshadow the preservation of other Nazi death camps, but the integrity or even the existence of the memorials and museums at the lesser-known camps and Holocaust sites in Poland.