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37 Great Lakes Facts That Will Blow Your Mind

asapscience: Ice formations in sand reveal the creation of the Grand Canyon. Along Lake Michigan, freezing has created sand formations that resemble the way that erosion works in natural canyon structures, only in miniature. Reason #1001 why geology is amazing!(reddit user SAT0725)

Isle Royale National Park, Michigan--One of the places I will definitely visit before I leave Michigan