What mystery do you find most interesting? The 5000 year old ancient pyramids of Giza, The 2000 year old Antikythera Mechanism believed to be a tool used to calculate the movements of stars and planets, The 3000-2000BC Stonehenge of England, The mystery man Mr Benjamin Kyle or the Out of body experience?
[youtube https://www.youtube.com/watch?v=YtJ4pwAgddI]