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.
List of tallest towers
The Tokyo Skytree, completed in February 2012, is , making it the tallest tower, and second-tallest free-standing structure in the world.