List of tallest buildings and structures
The tallest artificial structure is Burj Khalifa, a skyscraper in Dubai that reached in height on January 17, 2009. By April 7, 2008 it had been built higher than the KVLY-TV mast in North Dakota, USA. That September it officially surpassed Poland's Warsaw radio mast, which stood from 1974 to 1991, to become the tallest structure ever built. Guyed lattice towers such as these masts had held the world height record since 1954.
Shanghai Tower
The Shanghai Tower () is a , 128-story megatall skyscraper in Lujiazui, Pudong, Shanghai. It shares the record (along with the Ping An Finance Center) of having the world's highest observation deck within a building or structure at 562 m, and the 2nd world's fastest elevators at a top speed of . It is the world's second-tallest building by height to architectural top. However, the title of the world's fastest elevator now belongs to the Guangzhou CTF Finance Centre, with a top speed of achieved in 2017.