According to legend, the tower is the site of one of the twelve Labours of Hercules in Greek mythology, where he defeated a fearsome three-bodied giant named Geryon. Video by Next Stop Stories ...
Hercules kills Geryon and his Dog, by Cornelis Cort, after Frans Floris, 1563–1595. Source: Rijksmuseum Hercules and the Cattle of Geryones, by the workshop Lucas Cranach the Elder, 1537.