National Geographic: Treasures of the Deep
Join Titanic discoverer Dr. Robert Ballard and his team on their latest undersea adventure! Far beneath the ocean's surface lies a world of mystery and lost treasure. But the laws of the sea can't end the debate over who may stake claim to these centuries-old Roman ships, Spanish galleons, and luxury liners. Join Dr. Robert Ballard and his team of experts as they embark on a remarkable maritime expedition to the Mediterranean ...