Lake Michigan is one of the five Great Lakes of North America and the only one that has a very special recurring phenomenon.
Every year, after the winter ice melts, and before algal blooms due to warmer temperatures, Lake Michigan will become a window to its local naval history - a gallery of artefacts that once sailed proudly above the body of water but now lay preserved for more than 100 years in its cool 3 degree Celsius water.
The US Coast Guard took advantage of this opportunity, capturing some of the 1,500 ships that were estimated to have sunk in Lake Michigan.
You can go behind the science of Lake Michigan's beauty by starting here.
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