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Interestingly! It's called Lake Superior for a reason.
Everyone knows Lake Superior is vast (it's not called one of the Great Lakes for nothing), but few people realise precisely how big it is. Lake Superior is not only the world's biggest freshwater lake, but it also carries three quadrillion gallons of water. That's enough liquid to submerge North and South America under a foot of water. It's no surprise that Lake Superior has seen so many shipwrecks.