Earliest sign of an organized society was at La Venta, in modern-day Tabasco.
Developed teosinte grass into maize. Used psilocybe, hallucinogens thought to enable visions of the future. Used pumque from cactus.
Basic shaman architecture is a hut on a platform. Basis for Maya's sacred place atop ziggurat. Mesoamerican layouts will always be fixed along a north-south axis.
Great Pyramid and Ball Court, la Venta Olmec, c 1000 - 600 BC
Colossal Head, la Venta, Olmec, c 900 - 400 BC "Part por todo" → one part speaks for the entire body. Made of basalt, a volanic rock from Tushlo mountains.
Jade axe head https://www.britishmuseum.org/explore/highlights/highlight_objects/aoa/j/jade_votive_axe.aspx Heads that incorporate human and feline qualities and a cleft that babies have and also cats and other animals. Not just cleft, but earth splits apart to shoot out maize.
Altar, now known as throne http://www.metmuseum.org/toah/hd/vent3/hd_vent3.htm