With the help of Matty Blake and the Lagina Brothers, they search for millions of emeralds from the legendary Atocha shipwreck. Hosted by everyone’s favourite treasure hunters Rick and Marty Lagina, World’s Greatest Treasure Mysteries chronicles the greatest treasure hunts of the past, present and future. From Blackbeard and Jesse James to Aztec gold and priceless American artefacts, this show digs deep into the many treasure quests across the globe.