Skeptics and proponents of the ancient aliens theory have faced off for decades on the issue of the Dogon tribe’s allegedly advanced astronomical knowledge.
A mysterious site spans the landscape of Pisco Valley, Peru. On the same plateau where the famous Nazca Lines are found, thousands of holes have been carved into rock, creating a band that stretches further than a mile. It is unknown who carved these holes, or why they were created, but it is clear that this vast creation must have been a painstaking job, requiring many hours of manpower.
Shen Kuo is as credible a source as one could ask for in 11th to 12th century China, he remains a well-respected contributor to the progress of science in the region. He described pearl-like UFOs.
Medieval UFO battle?: Hans Glaser was a journalist of sorts in 16th century Germany. He depicted a wondrous and perplexing event that occurred in the early morning hours of April 14, 1561, in the city of Nuremberg.