The distinct skyline of New York City will never be the same without the twin towers. The Twin Towers were lost in the tragic event of the September 11th, 2001 terrorist attacks. The Twin Towers stood at a height of 1,727 feet. Look here for more information: http://en.wikipedia.org/wiki/World_Trade_Center
Tower one of the World Trade Center stood 1,368 feet high and Tower 2 was 1,362 feet high. Both were 110 stories. The Towers were hit by terrorists in American planes on 9-11-2001 at 8:45 and 9:03 AM, both Towers had collapsed by 10:28 AM.