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 ...

Vibrant blue-green water lapped at my kayak, bobbing beside towering sandstone cliffs. Seagulls squawked overhead. The water that sprayed from my paddle was ice-cold, a reminder that I was paddling ...