Philippe and Ashlan Cousteau embark on a high-risk scuba dive beneath waves to uncover new leads in the search for pirate Calico Jack's missing treasure, which is believed to be worth about $250 million.
Philippe and Ashlan Cousteau embark on a high-risk scuba dive beneath waves to uncover new leads in the search for pirate Calico Jack's missing treasure, which is believed to be worth about $250 million.
