More than 6,000 ships lie beneath the Great Lakes, their wrecks frozen in eerie, cold freshwater silence. But among them, one mystery refuses to settle.
Five shipwrecks in the Great Lakes continue to present unresolved questions for historians, engineers, and physicists. Estimates from the National Oceanic and Atmospheric Administration and maritime heritage researchers suggest that between 6,000 and 10,000 ships have been lost in the five lakes. Because the freshwater at the bottom is near freezing and low in oxygen, many of these wrecks have not…