The Burj Khalifa is the tallest made structure with a height of 829.8m. It opened officially in 2010. It also holds the record of tallest free-standing structure and highest number of stories, occupied floor and outdoor observation deck.
The observation deck stands on the 124th floor and the Atmosphere restaurant can be found on floor 122. It also includes 37 office floors, the Armani hotel, the Armani residences (144) plus another 900 residences. There are also 4 floors dedicated to fitness recreation as well as 11 hectares of park and 6 water features. The Burj Khalifa is located next to the Dubai Mall.
Visit the Burj Khalifa’s website for tickets and more information: http://www.burjkhalifa.ae/en/