Latest / Unreal Earth: wildest facts from all the world
Unveiling the Truth About the Great Lakes
Did you know the Great Lakes are situated inside a massive crack in the Earth's crust that nearly split North America 1.1 billion years ago?
The Midcontinent Rift was a colossal event that tried to divide the continent but failed. The resulting basin holds 20% of the world's fresh surface water. Discover what's thriving in it, what has sunk, and what's seeping into this vital water source.
Explore 50 intriguing facts about the Great Lakes. This area contains over ten thousand shipwrecks and 43 EPA-designated toxic zones, remnants of industrial waste from a century of manufacturing…
The skinny
The skinny isn't ready yet — notes appear once the transcript is processed.