The Treasures of the Depths (2014)

In the abyss of the ocean lies a world of mysteries and sunken treasures. But the laws governing the seas are not enough to end the debate over the right to claim possession of these Roman ships, Spanish galleons, and centuries-old luxury ropemakers. Follow Dr. Robert Ballard and his team of specialists as they embark on a remarkable underwater expedition in the Mediterranean Sea to discover and study ancient shipwrecks.

Unfortunately the movie The Treasures of the Depths is not yet available on HBO Max.