Host Brad Meltzer enlists America's help to find lost and stolen historical artifacts, which are going missing from museums and public collections at an alarming rate. Among the missing: Apache warrior Geronimo's skull, rumored to be robbed from the grave by the top secret society the "Skull and Bones." Then, Teddy Roosevelt's revolver is boldly stolen from a museum. Plus: what really happened to a Cadillac driven by notorious gangster Al Capone?