A Nazi concentration camp was at this location during World War II, and there is information to suggest that more than 50,000 residents of occupied Europe were murdered here.  This is one of the largest ensembles of its type, taking up 25 hectares of land.  It was opened in 1967 and has large groups of sculptures, including “Mother,” “Solidarity,” “Unbroken One” and “The Path of Suffering.”  The wall of the entrance gates has a thematic exhibitions.