AmericasOnline version Inca, Maya, Aztec by Rhonda Slider 1 Inca 2 Aztec 3 Mayan South America Andes Mountains Machu Picchu Steppe Terrace Farming Roads Arid Central Mexico Tenochtitlan Chinampas Pyramids for Sacrifices Yucatan Peninsula Rainforest Chichen Itza Slash and Burn Trade