Lake Superior is so big that it's bigger than some of the world's seas. At 31,700 square miles, the largest freshwater lake on the globe has its own weather systems that can turn on a dime, which ...

Known to some as the “Freshwater Everest,” if you want to explore this mountain, you don’t go up, you go down. In the middle of Lake Superior, near the boundary between Canadian and US waters, sits ...