Updated On: 20 July, 2016 01:32 PM IST | | midday online correspondent
<p>Odd statues that suggest aliens invaded earth, a map created before most of the world was discovered and a metal ball that acts on it's own. A look at five bizarre, mystifying artifacts</p>

The mysterious Olmec head: In 1953, a massive head, carved from stone was discovered in the Guatemalan jungles. What's unusual in it was that although apparently dating back to 400 BCE, during the reign of the Olmec tribe, the statue's facial features didn't seemed to resemble anyone who existed during the time of the Olmecs.

An undated photograph of the head. All pics courtesy/Top Trending's official YouTube page