Examine the theory that real-life close encounters have been happening for millennia - and that the evidence can be found in the ancient ruins and writings left behind by our human ancestors.
Uncover the secret world of organized crime and the violent tactics used by the Cosa Nostra to gain money and power. How did the Mafia become so powerful?
They are the original domestic terrorists, hiding underneath white hoods and flowing robes, taking cover in the rights and freedoms that they are actively seeking to destroy. How dangerous is the KKK?
Since the '70s, the United States has produced an estimated 1,400 serial killers -- double the combined total of the rest of the world. What causes a seemingly normal human being to engage in serial acts of murder?
Law enforcement and past and present members detail the rise of neo-Nazi groups in America, and their violent sub-culture of “white power.”
With more than 5,000 cults in the United States, explore their psychological allure, insidious methods, charismatic leaders and self-proclaimed prophets and dangerous history.
The office of the President was designed to operate with greater transparency than any other world-leader... but how much do we really know about what goes on behind the doors of the Oval Office?
Uncover the conspiracies behind America's 40-year anti-drug campaign. Is it possible that the liquidity of the drug trade is actually keeping the fragile global economy afloat?
Recent discoveries of previously unknown hominids and breakthroughs in genetic technology have given a nation of Bigfoot believers new hope that this mysterious man-ape will be found.
Get the stories behind the most shocking murders in American history, and the mentally unstable assassins who hunted down four U.S. presidents.