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9 of the largest buildings in the world

By: Bryan Nelson on Aug. 21, 2013, 5:49 p.m.
Burj Khalifa in Dubai

Photo: Lannuzel/Wiki Commons

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Burj Khalifa

Dubai's Burj Khalifa is, by far, the tallest building in the world. At a height of 2,716.5 feet, it dwarfs the world's second tallest building by more than 700 feet. Unsurprisingly, it also boasts the highest number of stories in the world, the highest occupied floor, highest observation deck and longest-traveling elevator.