* Mesoamerica: This region encompasses modern-day Mexico and Central America, and is known for its advanced civilizations such as the Maya, Aztec, and Zapotec. Mesoamerican peoples developed complex systems of writing, mathematics, and astronomy, and built impressive cities and temples.
* Andean South America: This region includes the countries along the western coast of South America, including Peru, Ecuador, Bolivia, and Chile. Andean civilizations such as the Inca, Moche, and Nazca flourished in this region, and are renowned for their impressive engineering feats, including Machu Picchu, the Nazca Lines, and the advanced agricultural systems.