6Aztec Civilization in Mexico

The birth of the Aztecs remains a mystery.

Nobody knows for sure where they came from, but, ultimately, the Aztecs planted their flag in the south-central region of pre-Columbian Mexico. In 1325, the ambitious tribe built the heart of their civilization: a stunning capital city called Tenochtitlan that stood steady until 1521 and still serves as the foundation for modern-day Mexico City.