The Jeddah Tower in Saudi Arabia will be the world's tallest building at over 1,000 meters tall. It is a mixed-use skyscraper currently under construction that will include offices, hotels, residences and retail. Notable features include an all-glass facade, 59 elevators, and an observation deck at level 157 that will be the world's highest when completed in 2020. The tower is the centerpiece of the $20 billion Kingdom City development near Jeddah on the Red Sea.