The world's tallest building will be one kilometer high

The Burj Khalifa in Dubai currently holds the title of world's tallest building, but its architects are now looking to overtake it with a new project in Saudi Arabia. Known as the Jeddah Tower, or Kingdom Tower, the building will rise at least 3,280 feet when it's completed in 2018, making it the world's first to reach a full kilometer into the air. (The Burj Khalifa is 2,716 feet tall.) This week, the Saudi government announced that $2.2 billion in funding had been secured to build Jeddah City,...