To this day, George Washington is the most famous man in American history. He's the subject of dozens of books & documentaries, and his story is taught in countless classrooms across the country.But historical investigator Adam Mastrelli knows there is far more to our first Founding Father than makes it into the history books, and he's ready to travel the country to find a multitude of untold stories hidden in the places you'd least expect: from a small Boston neighborhood that holds the secret of his most improbable victory to the Baltimore Museum of Dentistry which has the truth behind Washington's wooden dentures to Washington's crypt at Mount Vernon, which houses the most shocking secret of them all.Learn all of George Washington's secrets on the world premiere of Untold Secrets December 21, 2017 at 11/10 PM Central on Travel Channel.