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.
Taipei 101
Taipei 101 / TAIPEI 101, formerly known as the Taipei World Financial Center – is a landmark supertall skyscraper in Xinyi District, Taipei, Taiwan. The building was officially classified as the world's tallest from 2004 until the 2010 completion of the Burj Khalifa in Dubai. In 2011, the building received Platinum certification under the Leadership in Energy and Environmental Design (LEED) rating system, and became the tallest and largest green building in the world. At one point it had the fastest elevator in the world, traveling at and transporting passengers from the 5th to 89th floor in 37 seconds.