Throughout the American civil war, victory on the battlefield was often decided not by strategy and bravery alone, but also by secret information coming from the shadows. S3/Ep6
American code breakers have given them an edge in many conflicts. Now, code breakers work in the murky world of cyberspace to stop terrorists before they can strike. S3/Ep5
December 7th, 1941 - a day of infamy that changed America forever. But was the attack really a surprise? What did Franklin Roosevelt know about the attack beforehand? S3/Ep4
A secret part of history has remained hidden, locked away for centuries in the hulls of ships in New York or in the depths of an abandoned copper mine. S3/Ep2
Gold is one of the most valuable treasures on Earth. Since ancient times, man has gone to extreme lengths to get it. But where is most of the gold today, and who owns it? S3/Ep1
Whether its religious fire-and-brimstone, Armageddon, or visitors from outer space, the US has no shortage of people coming together to get swept up in the fervour. S2/Ep5
Did aliens help build the Pyramids? Or does the "ancient astronauts" idea go back to Swiss author Erich von Daniken, whose books challenge religion and science? S2/Ep3
From the rallies held at Madison Square Garden, to the plots to steal the secrets to the nation's weapons of war, the American Nazis terrorised the USA in the 1930s. S2/Ep2
Outlaw bikers are often secretive organisations. But are they international crime syndicates, or social clubs for outcasts and nonconformists? Discover the truth. S1/Ep6
Discover the truth behind the UFO cover up. Did a Nazi flying saucer crash in New Mexico? Are aliens living at Area 51? Or are these rumours to hide the real story? S1/Ep5
We'll explore a conspiracy that helped three inmates escape the dungeon of Alcatraz, and discover the remnants of a mysterious military outpost linked to Abraham Lincoln. S1/Ep4
The truth behind America's secret bunkers - from backyard boxes to government mini-cities. Underground bunkers have featured in war planning since the dawn of time. S1/Ep3
Discover the truth behind one of society's most clandestine institutions. Hidden within these bordellos are secrets about famous patrons, governments, and even religion. S1/Ep2
Most of the Founding Fathers and fourteen Presidents were Freemasons. Some say Washington DC is laid out as a Masonic code. What other secrets are the Masons hiding? S1/Ep1