New York City is flooded after the storm. Man's historical efforts to build over swamp can be quickly crippled by Mother Nature.
(01:47)A first-hand account of the Brooklyn streets when the storm knocked the power out.
(02:18)Witness the raw, devastating power of a tornado in this incredible home video.
(03:00)The world changed when two hijacked airliners crashed into the Twin Towers. We look at the events leading up to it and ask why...
(01:45)