Marco Polo (1962)
Italian explorer rescues the daughter of the Mongol leader Kublai Khan, meets a hermit who has invented gunpowder and builds a cannon
The Avenger of Venice (1964)
Rolando, who was close to marrying the daughter of the Doge, is condemned after a highly unfair judicial process and locked up in Venice Digging a tunnel with the aid of his cellmate, Rolando succeeds to escape
Hercules and the Treasure of the Incas (1964)
A cowboy goes to help out his friend, who has been falsely accused of murder The two find themselves in the rugged and mysterious Pallidi Mountains, where they come up against an outlaw gang that is searching for a buried Inca treas