The brazilian Stonehenge
This finding of 127 megalithic granite blocks . Some of the stone blocks, still standing, are up to 3 meters (9 feet) tall, distributed at regular intervals in a circle, a perfect geometry for astronomical alignments.The way the blocks are positioned and firmly placed in the ground clearly indicates that this was once a very sophisticated observatory. The head archaeologist Mariana Petry Cabral, of the Institute of Scientific and Technological Research of the State of the Amapá (Iepa)
Parque Arqueológico do Solstício
if someone wants to talk about ancient South america tairusiano is here