But it's actually sitting as one of the world's tallest buildings in Mecca, Saudi Arabia. The Makkah Royal Clock Tower, a staggering 600m high, features a hotel, the world’s biggest clock and ...

Ground has officially been broken in Saudi Arabia for what is expected to be the “world’s largest building.” The ambitious, $50 billion project — called the Mukaab — in the capital city, Riyadh, is ...

Ground has officially been broken in Saudi Arabia for what is expected to be ... The skyline-redefining Mukaab will clock in at 1,300 feet high and 1,200 feet wide when completed — giving ...