The much anticipated Doomsday, May 21, 2011 was proven as another hoax.

While Harold Camping gives himself a third chance in the coming October, just how many more predictions are actually out there?

Some past predictions of the end of the world haven't arrived yet.

Traders work on the floor of the New York Stock Exchange
Traders work on the floor of the New York Stock Exchange February 21, 2012. REUTERS