One World Trade Center is tall.
One World Trade Center . It is the tallest building in the Western Hemisphere , and the sixth-tallest in the world . The supertall structure has the same name as the North Tower of the original World Trade Center , which was completely destroyed in the terrorist attacks of September 11 , 2001 . On May 10 , 2013 , the final component of the skyscraper 's spire was installed , making the building , including its spire , reach a total height of 1776 ft. Its height in feet is a deliberate reference to the year when the United States Declaration of Independence was signed . The building is 104 standard floors high , but the tower has only 94 actual stories .