On display at the MIT Museum in Cambridge, Massachusetts is a small clear plastic box, filled with electrical components and used in a legendary scheme to deceive Las Vegas Casinos. How was it used...and does it actually work? At the Smithsonian's National Museum of American History is an unusual accessory to a regulation US military weapon. The concept behind this strange contraption is that pigeons - acting as pilots - will sit inside a nosecone that fits into the head of a missile- but how will pigeons be trained to steer a warhead? And at the Museum of the City of New York, an elegant souvenir trowel is linked to one of the most bizarre and chilling disasters in Gotham history. What role did it play in helping rebuild Manhattan's first skyscraper?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.