The world’s first nuclear reactor is currently buried in a forest preserve in Chicago. I stumbled upon it when I was in High School during a land-navigation competition where we had to find points in the forest using a compass and map. Through one of those runs my buddy and I saw this weird rock in the middle of nowhere with writing on it and eerily enough it said there was radioactive material buried underneath us. That made us go “WHY WOULD THAT BE HERE???”, it felt like a nuclear bomb should’ve been stored at least hundreds of miles away from any city. After reading the description and doing some light research afterwards we found out that the park was the site of University of Chicago’s nuclear reaction testing and wasn’t dangerous at the depth it was buried. I’m sure we couldn’t have been the first or the last to have their hearts drop as soon as they stop to see the funny rock with a paragraph.