Burj Khalifa, Dubai, United Arab Emirates (UAE)

The massive Burj Khalifa in Dubai, UAE, is by far the tallest man-made structure ever built. It stands an awe-inspiring 828m (2,717ft) above ground and has 160 floors. It became the world’s tallest building when it opened on January 4th, 2010. It took six years to construct and it is home to hotels, residences, restaurants, and offices.