We all love the idea of stumbling across secret treasures of the past. Just imagine, you are going about your normal day, and then somehow you unearth a long-lost and forgotten piece of history that gives you a new and secret insight into the truth of the world of long ago.Well, for construction workers at the Washington Monument in Baltimore, this actually happened—in more ways than one.Let’s take a look at the amazing discovery—and why it hit headlines around the world.