The Mexican government is releasing state-held secrets about the end of the Mayan calendar to the makers of a documentary, "Revelations of the Mayans 2012 and Beyond," TheWrap has learned.

The information -- protected for 80 years -- is expected to reveal Mayan beliefs in future catastrophes and wisdom characterized as "shocking," producer Raul Julia-Levy, son of actor Raul Julia, told TheWrap.

The end of the Mayan calendar in December 2012 has long given rise to theories and speculation about the end of the world.

The agreement will allow Julia-Levy to film in never-before-seen locations. READ MOR E