John Wilkes Booth : was Lincoln's assassin apprehended?
Confederate gold : stolen treasure or hidden wealth of a new Confederacy?
The Georgia Guidestones : America's Stonehenge
DB Cooper : American outlaw
The White House : where is the cornerstone of democracy?
The Spear of Destiny : history's most sacred relic
The real Da Vinci code : did Leonardo predict an apocalypse?
Is there any gold in Fort Knox?
UFOs : inside Roswell and Area 51
The Kennedy assassination : the truth is out there.