This is the tallest building in the USA, and the tallest of its kind in the Western Hemisphere; It is also considered the sixth tallest building in the world; It has 102 floors. This tower previously had a twin tower adjacent to it, but it was destroyed in the events of 9/11. It is one of the most famous tourist attractions in the city and even in the world. Everyone who visits will have the best view of the entirety of New York City. There are plenty of shops, several restaurants and cafes where you can grab a snack after your tour of the tower. Adjacent to the tower is a mausoleum containing the names of those who died in the 2001 attack.