The Burj Khalifa in Dubai, United Arab Emerites is the tallest building in the world. It was designed by Skidmore, Owings and Merrill of Chicago and constructed between September 2004 and October 2009 by Samsung C & T Corporation. The building opened in January 2010.
For the best view of Taipei City, make a hike to the top of Elephant Mountain! Also known as the Nangang District Hiking Trail and Xiangshan (象山), the hiking trail is located close to the Xinyi Shopping District and Taipei 101. Taipei 101 is a landmark skyscraper in Xinyi District. The building was officially classified as the world's tallest in 2004, and remained such until the completion of Burj Khalifa in Dubai in 2009.