The Twin Towers of the original World Trade Center in New York City each had 110 floors.
North Tower (WTC 1): 110 floors, including an observation deck on the 107th floor and a television antenna.
South Tower (WTC 2): 110 floors, with an indoor and outdoor observation deck on the 107th and 110th floors.
These iconic skyscrapers were among the tallest buildings in the world until their destruction on September 11, 2001.