The "Mayan Apocalypse" is ancient prophecy, if by "ancient" you mean "from the 1970s" and if by "prophecy" you mean "shroom trip"

‘Mayan Apocalypse’ Started With A Bad 70s Mushroom Trip, Not Ancient Civilization

The Mayan Apocalypse prophecy didn’t come from ancient civilization, and that the idea is hardly older than 30-40 years, give or take. Two New Age books in the 70s and 80s are to blame for our apocalyptic fears. The books detail an “upgrade” to human consciousness, predicted by a spirit from the seventh century, and that the whole thing came about from a magic mushroom trip, reports Yahoo.

Headline via Fark.