Forget unstoppable psychopaths in hockey masks -- on Friday the 13th, the biggest terrors sometimes hit our wallets. No, the Great Crash of 1929 didn't start on a Friday, but a fair number of financial disasters did.
At times, 2011 has felt like a parade of natural disasters: Earthquakes and tornadoes and floods, oh my! But wait, there are more coming. Hurricane season has just begun, and the forecasts for 2011 aren't pretty. Before the next one hits, we look back at the nation's 10 costliest hurricanes.