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.
Lotte World Tower
Lotte World Tower () is a 123-floor, supertall skyscraper located in Seoul, South Korea. It opened to the public on April 11, 2017 and is currently the tallest building in South Korea, and is the 5th tallest building in the world.