Maya and Inca
From the Link; Maya and Egyption Pyramids; "....When we arrived at Parque Museo de la Venta, an Olmec archeological site in Villahermosa, Tabasco, there were no Maya ruins, but we stared, in unison, at the huge stone heads constructed during the pre-Classic period, which began about 3,700 years ago and went to the second century B.C.E. The Olmecs are generally considered to be the "mother culture" of Mesoamerican civilizations. The heads seemed like they had African features such as full lips and broad noses. ..."