National Geographic Investigates: Great Lakes Wreckage

For decades, countless ships have been lost to the Great Lakes. Thanks to modern technology, their stories are finally being dragged from the depths. For decades, countless ships have been lost to the Great Lakes. Thanks to modern technology, their stories are finally being dragged from the depths. For decades, countless ships have been lost to the Great Lakes. Thanks to modern technology, their stories are finally being dragged from the depths. For decades, countless ships have been lost to the Great Lakes. Thanks to modern technology, their stories are finally being dragged from the depths.