Area 51 Crash, Yeti Footprints, and Human Pin Cushion

Did a mysterious crash near Area 51 involve a secret military aircraft--or something even stranger? Could a famous photograph of giant footprints finally prove the existence of the legendary Yeti? How did one man survive having a sword driven through his body? And does a controversial map prove China reached the Americas before Columbus? Tony Harris and his team of experts dive into these claims to find the truth.