Mysteries at the Museum - Secrets of D.C.

Seizoen: 5 - Aflevering: 15 / 96 - Eerst uitgezonden: 12 december 2013 - Episode ID: 852224

While in Washington, D.C., Don examines the link between a mailbox and a spy case; and looks at the role brass knuckles played in protecting a president. Also: A hollow coin exposes a Cold War mystery.