Makkah Royal Clock Tower

Rising 601 meters above the holy city of Mecca, Saudi Arabia, the Makkah Royal Clock Tower is the tallest clock tower in the world, completed in 2012. Outperforming the Burj Khalifa's clock face by 40% in diameter, part of the Abraj Al-Bait complex, it houses a luxury hotel and overlooks the Grand Mosque, accommodating millions of pilgrims annually.