Updated: Aug 4, 2020
One World Trade Center (One WTC) or Freedom Tower is located in Lower Manhattan and along with the rest buildings of the World Trade Center complex replaced the Twin Towers and surrounding complex, which were destroyed on September 11, 2001 by terrorist attacks.
It is the centerpiece of Manhattan Skyline and opened its doors on November 3, 2014. With a reaching height of 1776 ft (including its spire) it is the tallest building in the United States, the tallest building in the Western Hemisphere, and the seventh-tallest in the world.
The octagon shape of the tower offers 360° views of Manhattan, New Jersey, New York Harbor and Long Island. The 104-story One WTC also has a total of 71 elevators, five of which are considered as express and listed among world's fastest. With a moving speed of 23 miles per hour ( 36,5 km/h) it only takes 47 seconds to climb to the top floor (1268 ft) where One World Observatory is located!!! One World Observatory was opened to the public on May 29, 2015 and it requires a ticket to visit it.