You Can Hike a 1.5 Billion Year Old Hill in Wisconsin
People flock to Europe and other continents because things are old there, and they are full of history. But that doesn’t mean the rest of the world, even Wisconsin, doesn’t have old features. You might not know that there is a 1.5 billion year old hill in Wisconsin. It’s at Rib Mountain. And you have to hike it so you can say you climbed something 1.5 billion years old.