Museums are where America displays its wondrous treasures of the past -- often strange and curious remnants of the momentous events that have shaped our history. Behind each artifact is yet another story to be told and secrets to be revealed -- tales brimming with scandal, mystery, murder and intrigue. Whether a diary from an Arctic exploration, a stone giant thought to be the remnant of a race of enormous people or a futuristic house that almost changed the world, iconic museum artifacts help us uncover who we are and what we've become. Each hour of this series will take viewers on a captivating, revealing and at times shocking tour of America's past, revisiting its most crucial events by reexamining what has been left behind. The series casts its net wide, exploring the corners and backrooms of institutions dedicated to a variety of popular and entertaining subjects -- invisible spies, cold-blooded assassins, dinosaurs, the paranormal, the Old West, the Cold War and more. We'll tackle some of history's most enduring mysteries -- both familiar tales and little-known episodes that have never been told before on television.