Codes and Conspiracies

The world's most famous prison holds many secrets, including a conspiracy that helped three inmates escape, the truth behind its dungeons and the remnants of a mysterious military outpost with links to Abraham Lincoln.

Bikers have been romanticized in media and feared by government. But while some clubs just might be connected to true outlaws, for others they're social clubs for misunderstood outcasts who reject a conventional lifestyle.

The real story about UFOs is shrouded in secrecy. Rumors abound of a shadow government that hides the truth from everyone, including the president, Nazi flying saucers in New Mexico and aliens living at Area 51.

America's secret bunkers range from backyard boxes to underground government mini-cities. They've been a feature of warfare planning since the dawn of time, and have played an important role in US history.

The real story behind society's most clandestine institutions includes secrets about famous patrons, governments and even religion. Brothels have endured for thousands of years, almost as long as prostitution itself.

The most secret of secret societies, the Freemasons, are intertwined with American history. Most of the Founding Fathers and 14 presidents were Freemasons. Some say Washington, DC, is laid out as a Masonic code.