Join Adrian Gilbert on an exciting look at the Mayan Calendar and the many mysteries it holds. Discover why the year 2012 is predicted to be a year of exciting and extreme changes and the reasoning behind these changes. Learn why and how the ancient Maya, a people of exceptional astronomical skill and understanding, invented a calendar so accurate that it ends exactly when the Sun enters a specific portion of the Milky Way as it rises on the Winter Solstice, December 21, 2012, marking the shift