Krakow Super Saver: Auschwitz-Birkenau Half-Day Tour plus Wieliczka Salt Mine Half-Day Tour. Discover Poland's top UNESCO-listed sites on this Super Saver, combining two popular Krakow tours at a special value price. First, follow an expert guide on a half-day tour of Auschwitz-Birkenau and explore the moving exhibitions and prison blocks of the concentration camp complex. On Day Two, marvel at the underground tunnels and salt formations inside the 700-year-old Wieliczka Salt Mine. Sharpen your knowledge on two important historical sites over the course of two days. Book and Save 8%: Krakow Super Saver: Auschwitz-Birkenau Half-Day Tour plus Wieliczka Salt Mine Half-Day Tour.