Swim in a Great Lake
The Great Lakes are a collection of freshwater lakes located in northeastern North America, on the Canada–United States border which connect to the Atlantic Ocean through the Saint Lawrence Seaway and the Great Lakes Waterway. Consisting of Lakes Superior, Michigan, Huron, Erie, and Ontario, they form the largest group of freshwater lakes on Earth comprising 21% of the world's surface fresh water.
This goal was mentioned in the Feature List:
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