Dubai, United Arab EmiratesSkidmore, Owings & Merrill, 2010Rising a dizzying 2,717 feet above the desert, this spectacular supertower reigns as the tallest structure in the world. Its 162 floors contain offices, residences, restaurants, an Armani hotel, and an observation deck, 124 stories up. The s...
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✯ Burj Al Arab Hotel, Dubai, United Arab Emirates