List of tallest buildings and structures
The world's tallest artificial structure is the Burj Khalifa in Dubai (of the United Arab Emirates). The building gained the official title of "Tallest Building in the World" and the tallest self-supported structure at its opening on January 9, 2010. The second-tallest self-supporting structure and the tallest tower is the Tokyo Skytree. The tallest guyed structure is the KVLY-TV mast.
Developments in Dubai
The Burj Khalifa (Arabic: برج خليفة for "Khalifa Tower") is a supertall skyscraper in the "Downtown Dubai" area of Dubai, United Arab Emirates. The building is part of a huge development located at the "First Interchange" (aka "Defense round-about") along Sheikh Zayed Road at Doha Street. Skidmore, Owings & Merrill LLP (SOM) of Chicago is the lead architect, structural engineer and mechanical engineer of the Burj. George J. Efstathiou of SOM is the Managing Partner on the project, while Adrian Smith, formerly of SOM, was the Design Partner. Third Party Review has been performed by CBM Engineers Inc. It is the tallest structure in the world.