Olmec colossal heads have been found at La Venta, San Lorenzo, and Tres Zapotes. Despite they were each carved out of a basalt boulder and weigh 8 tons on average, they were hauled for miles through water and across land. No one knows for sure how they were transported, but some believe that the Olmec people used log rollers and balsa rafts to carry the giant heads. They are one of the most mysterious artifacts in the ancient world, but the most believed theory about the Olmec colossal heads is that because of their intricate features, and all the work that was put into making one, they represented Olmec rulers. Another theory is that the heads with helmets were the well-known ball players. The heads have scowles and flattened noses due to