By scanning the locations at the bottom of the ocean where sunken ships, treasures and even cities lie, the show tries to answer what they look like, how they got there and if they hide any secrets.
Richard O'Barry 路易·西霍尤斯 Hardy Jones Michael Illiff Joji Morishita Ian Campbell Paul Watson Doug DeMaster Dave Rastovich Charles Hambleton Hayato Sakurai Mandy-Rae Cruikshank Kirk Krack 伊莎贝尔·卢卡斯 海顿·潘妮蒂尔