Dubai is Attempting to Build the World's Tallest Tower – Again By Notable Life By Notable LifeView Author|October 14, 2016|Life,View Life TrendingView Trending Dubai is already home to the world's tallest building, the 830-metre Burj Khalifa, as well as the biggest mall, longest painting, and largest bus mosaic. That isn't enough, of course, so the UAE city will also unveil the world's tallest tower in... View this article.