Category: mound

Serpent Mound of Pleasant Hill | Ancient Aliens

The coiling serpent motif buit into the earth in Pleasant Hill, Ohio, can only be seen from the air. What is so important about this site and why did primitive people want to send messages to above?

About Ancient Aliens

Ancient Aliens explores the tantalising mystery of whether aliens travelling in UFOs may have been visiting our planet for millions of years. In this series, ancient cave…

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