The Olmec colossal heads are a series of monumental sculptures carved from basalt boulders during the Olmec civilization, the earliest known society in Mexico. Standing approximately 10 feet tall and weighing 8 tons, these imposing artifacts depict various rulers and are believed to have played a significant role in Olmec rituals and political authority. While the exact purpose and identity of the individuals portrayed remain a mystery, researchers continue to unravel the secrets surrounding these enigmatic stone sculptures.