Burj Khalifa ("Khalifa Tower"), formerly known as Burj Dubai, is a skyscraper in Dubai, United Arab Emirates, and is the Tallest man-made structure ever built, at 828 m (2,717 ft).
Construction began on 21 September 2004, with the exterior of the structure completed on 1 October 2009 and the building officially opened on 4 January 2010.
Current records:
- Tallest skyscraper to top of spire: 828 m (2,717 ft) (previously Taipei 101 – 509.2 m (1,671 ft)
- Tallest structure ever built: 828 m (2,717 ft) (previously Warsaw radio mast – 646.38 m (2,121 ft)
- Tallest extant structure: 828 m (2,717 ft) (previously KVLY-TV mast – 628.8 m (2,063 ft)
- Tallest freestanding structure: 828 m (2,717 ft) (previously CN Tower – 553.3 m (1,815 ft)
- Building with most floors: 160 (previously both 1 and 2 World Trade Center – 110)
- World's highest elevator installation.
- World's fastest elevators: At speed of 64 km/h (40 mph) or 18 m/s (59 ft/s), (previously Taipei 101 – 16.83 m/s)
- Highest vertical concrete pumping (for a building): 606 m (1,988 ft), (previously Taipei 101 – 449.2 m (1,474 ft))
- Highest vertical concrete pumping (for any construction): 606 m (1,988 ft)[27] (previously Riva del Garda Hydroelectric Power Plant – 532 m (1,745 ft)
- The first world's tallest structure in history to include residential space.
- Highest outdoor observation deck in the world.
- World's highest mosque (located on the 158th floor).
- Elevator with the longest travel distance in the world.
- Tallest service elevator in the world.
- World's highest installation of an aluminium and glass façade, at a height of 512 m (1,680 ft)
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