History of the world's tallest buildings
The tallest building in the world, as of 2022, is Burj Khalifa. The title of "world's tallest building" has been borne by various buildings, such as the Rouen Cathedral and the Empire State Building.
Architecture of New York City
The World Trade Center's twin towers were the city's tallest buildings from 1973 until their destruction in the September 11 attacks. The towers rose 1,368 feet (417 m) and 1,362 feet (415 m) respectively, both 110 Floors. The North Tower's 360 foot antenna housed most of the city's communications, while the South Tower was home to a popular observation deck. They were the tallest buildings in the world until Chicago's 1,454-foot Sears Tower was completed in 1974.