A rotting hull of a ship...lost gold...coins...gems...Sunken Treasure! Today treasure hunting is a big business. Searchers use metal detectors and sonar to loca

The vast hidden world of sunken treasure. With less than 2% of the world's ocean depths explored to date, a myriad of unimagined mysteries and treasures await d

The noted marine archaeologist and treasure-hunting diver's history of diving, from the free divers of the ancient world to those using modern research equipmen