No volcanoes, no tidal waves, no Nibiru (planet X), no galactic alignment, no alien visits, no nothing. Mayans sacrificed virgins at the altar, so I guess it's safe to say they're wrong about other stuff too.
8WAYRUN.com
damn-I-Suck
Vile_Death_Wave
Rinnegan! (SCV Style)
Lissosaya
I assume the Mayans just got bored, making a long calendar and all. And the scientists fed into it. Lol