Burj Khalifa skyscraper, Dubai, United Arab Emirates
Burj Khalifa According to all three of the primary criteria used to evaluate such structures, the Burj Khalifa, also known as Khalifa or Khalfah , a mixed-use skyscraper in Dubai, United Arab Emirates, is the highest building in the world (see Researcher's Note: Heights of Buildings). Sheikh Khalifa ibn Zayed Al Nahyan, the ruler of the neighboring emirate of Abu Dhabi, is recognized as the official name of the Burj Khalifa ("Khalifa Tower" ), which was once known as Burj Dubai during construction. The interior of the tower was not entirely finished when it was officially launched on January 4, 2010, despite that. The tower, whose intended height remained a closely-guarded secret throughout its construction, was completed at 163 floors and a height of 2,717 feet (828 meters). It was built to host a variety of business, residential, and hotel ventures. Sky...