List of tallest buildings and structures
The world's tallest artificial structure is the Burj Khalifa in Dubai (of the United Arab Emirates). The building gained the official title of "Tallest Building in the World" and the tallest self-supported structure at its opening on January 9, 2010. The second-tallest self-supporting structure and the tallest tower is the Tokyo Skytree. The tallest guyed structure is the KVLY-TV mast.
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.