List of tallest buildings and structures
The tallest artificial structure is Burj Khalifa, a skyscraper in Dubai that reached in height on January 17, 2009. By April 7, 2008 it had been built higher than the KVLY-TV mast in North Dakota, USA. That September it officially surpassed Poland's Warsaw radio mast, which stood from 1974 to 1991, to become the tallest structure ever built. Guyed lattice towers such as these masts had held the world height record since 1954.
Abraj Al Bait
The tallest tower in the complex is the tallest building in Saudi Arabia, with a height of . Currently it is the fifth-tallest freestanding structure in the world, surpassing the Ping An Finance Centre in Shenzhen, China but shorter than the Burj Khalifa in Dubai, UAE, the Tokyo Skytree in Tokyo, Japan, the Shanghai Tower in Shanghai, China, and the Canton Tower in Guangzhou, China.