More than two centuries since the birth of Charles Darwin, the Regional Natural Sciences Museum of Turin has opened "The spectacle of nature. Stories of science and worlds to be preserved", fourth and new permanent exhibition located in the lower areas of the seventeenth century palace, ex St. John the Baptist Hospital, designed by Amedeo di Castellamonte. The exhibition is spread over an area of about 1,500 sq.m. divided into three macro-aree.