 The water has been used in Italy since as early as the 14th century and is famous for its natural healing properties.Fiuggi, originally called Anticoli di Campagna, gained fame as early as the 14th century, when Pope Boniface VIII claimed his kidney stones had been healed by the mineral waters from the nearby Fiuggi spring.Two centuries later Michelangelo also extolled the virtues of the water that cured him of what he called "the only kind of stone I couldn't love."