Saudi Arabia has just given the OK to start construction on the Kingdom Tower, the world's first mile-high skyscraper. The tower will be built in the coastal city of Jeddah and is set to cost a whopping cost $30 billion. »
Forget about the 1-kilometer-high Kingdom Tower
We showed you the first look of the world's tallest building
This is the first image of what's going to become the tallest building in the world by the end of the decade: The 3,280-foot (one kilometer!) Kingdom Tower. It will dwarf the 2,717-foot (828-meter) Burj Khalifa.