The sandworm from Frank Herbert's Dune, is a monstrous gigantic creature with a thirst for blood. But did you know it was possibly based on another terrifying creature that is said to stalk the darkest corners of Mongolia's Gobi desert...

Written by Diane Hope and produced by Richard MacLean Smith

Go to @unexplainedpod, facebook.com/unexplainedpodcast or www.unexplainedpodcast.com for more info. Thank you for listening.