The Rise Tower in Riyadh, Saudi Arabia, would be the tallest building in the world if completed, dwarfing Dubai's Burj Khalifa.

When completed, Saudi Arabia's Jeddah Tower will rise 3,281 feet, 568 feet higher than the Burj Khalifa, thus becoming ...

The United States could soon have a new -- and surprising -- location for the tallest building in the country and, if approved, it won't be anywhere near New York. In a new proposal set out by AO ...