Teotihuacan is located near the capital of Mexico, Mexico city, just northeast of it. It is the biggest pre-Aztec archaeological site in the Mezoamerican region. This site is under the protection of UNESCO, and has the status of World Heritage Site. Teotihuacan has lot to offer, and is a well preserved ancient site.
gold , god and glory . they wanted to spread their religion and get rich by finding gold, they also wanted to expand their Empire trough trade with the Natives