Whats that move i think it was something with search of alegado or something its two men find Aztec city?

ok theres two men and a white horse in the move its more like a cartoon really and they find the city on the lack aka Aztec city Tenochtitlan city of gold and the people there think there gods except this girl which is there interpretor and afterward more end another of the Aztec people whose evil founds not god and end gets thrown out who he finds hernando cortez and try to show him city except they close the entrance