On display at the Centers for Disease Control Museum in Atlanta is a seemingly simple cardboard box. Once, its contents were tied to a deadly outbreak that left the nation paralyzed with fear. So what exactly did this box carry? Among the glitzy treasures at the Hollywood Museum in California is one item that looks decidedly ordinary. It's a small plastic pill bottle, and on its faded label is the name, Marilyn Monroe. What does this bottle have to do with the icon's untimely death? The Warren Lasch Conservation Center in Charleston, South Carolina houses a groundbreaking Civil War submarine. During its maiden voyage, it vanished without a trace. What happened to the sub and its crew?For even more Mysteries at the Museum, head to discovery+. Go to discoveryplus.com/mystery to start your 7-day free trial today. Terms apply.