Secrets involving the federal penitentiary on Alcatraz Island, including the escape of three prisoners and the remnants of a strange military outpost with ties to President Abraham Lincoln.

Some motorcycle clubs are viewed not as social clubs for nonconformists but as organized crime syndicates.

Investigating UFOs and the strange stories surrounding them, including the existence of a ``shadow government'' and the rumor of a Nazi flying saucer that crashed in New Mexico.

Secret bunkers exist under every American city, but only a lucky few know about these hidden survival complexes. CODES AND CONSPIRACIES examines the underground bunkers that have been a feature of warfare planning since the dawn of time.

Bordellos, which have endured for thousands of years, hold secrets involving famous patrons, governments and religion.

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. What other secrets are the Masons hiding?