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.
Tourist attractions in Dubai
Burj Khalifa (, "Khalifa Tower", pronounced ), known as Burj Dubai before its inauguration, is a skyscraper in Dubai, United Arab Emirates. It is the tallest artificial structure in the world, standing at .