The Grotte of Castellana were discovered January 23, 1938 by cavers Franco Anelli and Vito Matarrese with the help of a little boy named Giovanni Mansueto who they sent down in search of the caves.
The discovery of the Grotte of Castellana occurred on January 23, 1938, by cavers Franco Anelli and Vito Matarrese with the help of a young boy named Giovanni Mansueto.