Lake Superior Is Hiding Something Most Canadians Don't Know Exists

Lake Superior looks like just a big cold lake you drive past on the way to somewhere else, but beneath its grey surface sits a crater left by something that fell from space, two warships that vanished on their first voyage, and the most famous shipwreck on the Great Lakes, lying in Canadian water where no one may dive without a permit. Retired bush pilot Bob MacLeod, who spent 41 years flying floatplanes over Canada's lakes, forests, and rivers, walks through 25 facts about Lake Superior that even many lifelong Canadians have never heard.