3. What are the Olmecs famous for?

The Olmec's are best know for their art they create, when they created art as it would be called the created colossal heads and carved into stones which would last for years.

The Olmec culture thrived along Mexico's Gulf coast from roughly 1200 to 400 B. C. Best known today for their carved colossal heads, the Olmecs were an important early Mesoamerican civilization which had much influence on later cultures such as the Aztecs and the Maya.