Private tour in one or two days to auschwitz birkenau extermination camp andsalt mine wieliczka if you are visiting krakow just for short weekend it may be perfect option for you during this tour you will visit the largest german nazi concentration and extermination camp and the most horrible place of terror and genocide auschwitz birkenau you will visit also salt mine wieliczka which is one of the most beautiful places in close proximity to krakow and famous unesco world heritage