The Burj Khalifa set several world records, including: Tallest existing structure: 829.8 m (2,722 ft) (previously KVLY-TV mast – 628.8 m or 2,063 ft) Tallest structure ever built: 829.8 m (2,722 ft) (previously Warsaw radio mast – 646.38 m or 2,121 ft) Tallest freestanding structure: 829.8 m (2,722 ft) (previously CN Tower – 553.3 m or 1,815 ft) Tallest skyscraper (to top of spire): 828 m (2,717 ft) (previously Taipei 101 – 509.2 m or 1,671 ft)Tallest skyscraper to top of antenna: 829.8 m (2,722 ft) (previously the Willis (formerly Sears) Tower – 527 m or 1,729 ft) Building with moE#Recost floors: 163 (previously World Trade Center – 110) World's highest elevator installation (situated inside a rod at the very top of the building) World's longest travel distance elevators: 504 m (1,654 ft) Highest vertical concrete pumping (for a building): 606 m (1,988 ft) World's tallest structure that includes residential space World's highest installation of an aluminium and glass façade: 512 m (1,680 ft) World's highest nightclub: 144th floor World's highest restaurant (At.mosphere): 122nd floor at 442 m (1,450 ft) (previously 360, at a height of 350 m (1,148 ft) in CN Tower) World's highest New Year display of fireworks. World's largest light and sound show staged on a single building.
