High Quality Content by WIKIPEDIA articles Kingdom Centre also called Al Mamlaka Tower (Arabic: برج المملكة ) is a skyscraper located in the city of Riyadh, Saudi Arabia. It is currently the second tallest skyscraper in Saudi Arabia with a height of 302.3 m (992 ft). It's also the third tallest building with a hole in the world (after Shanghai World Financial Center and Tuntex Sky Tower)...