America's Book of Secrets

The notion of a universe inhabited by alien creatures can be found just about everywhere in American popular culture. But could mankind really have been visited by alien beings from other worlds?

For decades, the criminal organization known as "The Mafia" has stained the fabric of American society. But what are the secrets behind the Mob's sinister success?

They are the original domestic terrorists, hiding underneath white hoods and flowing robes, and taking cover in the rights and freedoms that they are actively seeking to destroy.

They are secretly stalking America's streets and highways, hiding in plain sight and compelled by one simple motive: the thrill of taking another person's life.

There are nearly 200 neo-Nazi groups currently operating in the United States--and they are strongly allied to a loose network of numerous other "white and Aryan power" hate groups.

According to government statistics, there are an estimated 5,000 cults currently operating in the United States. And each year there are approximately 200,000 Americans who serve as secret--and, for the most part, willing--members. But just what are these cults? And what makes some so dangerous? We'll uncover the psychological allure of cults, their charismatic leaders and insidious methods of controlling their members. How do ordinary people become trapped in these fringe groups, apparently unable to leave? Led by compelling self-proclaimed prophets, cults are clandestine, influential and all too often, destructive. Are their goals religious, political or simply financial? How and why does the government monitor or intervene in some cults--yet seemingly turn a blind eye to other's secret and perhaps sinister agendas? Jonestown survivor Tim Carter remembers the last day of Peoples Temple, and the horrific aftermath.

The office of the President of the United States 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?

This episode uncovers the conspiracies behind America's 40-year drug campaign. Why does the U.S. Government classify marijuana and heroin as equally dangerous drugs.

Bigfoot is everywhere you look, but why are so many millions of Americans obsessed with this mysterious man-ape? This episode sheds new light on some of the nation's darkest Sasquatch secrets.

Over the last century there have been four successful presidential assassinations and a multitude of failed attempts. But do we know the real story behind these assassination plots? We'll look behind the headlines to the conspiracy theories that surround the most shocking murders in American History. What do John Wilkes Booth, Leon Czolgosz, Charles Guiteau, Lee Harvey Oswald and John Hinckley Jr. all have in common? According to experts, they were all mentally unstable. While this may explain their deranged obsession to kill the President, others believe this is evidence that all were patsies to a larger conspiracy. Former secret service agents reveal the secret methods used to safeguard the President of the United States. Bill O' Reilly reveals the elaborate conspiracy behind the murder of President Abraham Lincoln. And bestselling author Ronald Kessler examines whether an assassin could even infiltrate the Secret Service itself.

American treasure hunters are convinced that there are missing fortunes just waiting to be discovered all around the country.

No club in America is more secretive than the Hells Angels. Members are forbidden to publically discuss their biker brotherhood.