Remember when you were a kid and you got a “participation award” for just showing up to your soccer games? Well, the US government had a similar certificate that it’d hand out. As you can imagine, it was for something a bit more serious: Nuclear tests during the Cold War.
This is a Google Maps Satellite View of Yucca Flat, one of the Nevada Nuclear Test Sites. Over 739 nuclear tests were run between 1951 and 1992 which has left the region scarred and pockmarked to this day.