The 10 greatest conspiracies of all time

Introduction --

John Wilkes Booth: was Lincoln's assassin apprehended? --

Confederate gold: stolen treasure or hidden wealth of a new Confederacy? --

The Georgi 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.