John Sims bought a new house in suburban Tucson, Arizona for a quiet life, and this decision then became one of the most important decisions of his life. The former owner of Sims' new home told him that there was weird rumor about something mysterious buried underground. So, he started to dig excitedly, tearing up his backyard without any direction. What he was about to discover was far more than his expectations. Click through to find out what his backyard discovery was.