Burj Khalifa - The Grand Opening Of The Highest 160 Stories Building In The World - Burj Khalifa is a skyscraper in Dubai, United Arab Emirates, and the tallest man-made structure ever built, at 828 m (2,717 ft). It contains 160 stories. Burj Khalifa was opened on Monday, the 4th of January in Dubai, United Arab Emirates, during a very glossy and lavishing party, flooded by extra ordinary fireworks. “Dubai Tower” cost around $1.5 billion.