A look at treasure quests across the globe, revealing new details and clues from past searches.
...Mysteries. The Atocha's Emerald City: The Lagina Brothers and Matty Blake join the late Mel Fisher's famous family to search for emeralds from the Atocha shipwreck. (S3, ep 1)
...Mysteries. Aury's Treasure: Marty and Matty dig for treasure on the beaches of Tampa, Florida, believed to have been hidden in the early 1800s by a notable French pirate. (S3, ep 2)
...Mysteries. The Atocha: Secrets of the Sterncastle: Matty and Tony join another epic hunt with the Fisher family to search for a motherload of treasure linked to the Atocha. (S3, ep 3)
...Mysteries. Return to Poverty Island: Taking a new approach, Rick and Matty return to Poverty Island in Lake Michigan to search for missing Civil War gold. (S3, ep 4)
...Mysteries. North Carolina Gold: Matty travels to the swamps of North Carolina to help a father and son excavating a mining dredge believed to contain vast riches. (S3, ep 5)
...Mysteries. Captain Bellamy's Bounty: Rick, Tony and Matty join Barry join the search for artefacts and treasure connected to the Whydah shipwreck off the coast of Cape Cod. (S3, ep 6)
...Mysteries. The Lost Cache of Cornwallis: Matty goes blackwater river diving in search of the legendary Revolutionary War treasure of British army officer Charles Cornwallis. (S3, ep 7)
...Mysteries. The Legend of Oderin Island: Marty and Matty help investigate a mysterious island where a notorious English pirate is believed to have hidden plundered treasure. (S3, ep 8)
...Mysteries. Return to the Whydah: Matty and Tony re-join the excavation of the Whydah wreckage with Barry and his team in Cape Cod, near a graveyard of sunken cannons. (S3, ep 9)
...Mysteries. Treasured Adventures: Joined by companion Matty, brothers Rick and Marty Lagina look back on their richest adventures stretching back over the previous year. (S3, ep 10)