today's travel fact travel fact: built in 2010 and with 163 floors, the 828m burj khalifa in dubai, uae is currently the tallest building in the world By jt - 19/04/2012 0 606 Share on Facebook Tweet on Twitter Built in 2010 and with 163 floors, the 828m Burj Khalifa in Dubai, UAE is currently the tallest building in the world.