mathematics and astronomy, which they used to construct their pyramids. The ruins at Palenque and Tikal are featured in the film. 3-D computer graphics enable the viewer to see the magnificent structures as they originally appeared. ... Lost Treasures Ancient World Aztec ethnic Mexico Nahuatl mesoamerican Tenochtitlan lake Texcoco Mexica Tenochca ovni pyramids inca maya america native culture art discovery history archaeology MAYA INCA science cortez pizarro spain conquest conquistadores god ...