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.

The Freemasons, secretive even among secret societies, are intertwined with American history. Some even say Washington, D.C. is laid out as a Masonic code. What other secrets are the Masons hiding?