BURJ KHALIFA, DUBAI, UAE

The tallest building in the world, standing at 828 m, the Burj Khalifa is twice the height of the iconic Empire State Building in New York. Owned by Emaar Properties, the Burj Khalifa took $1.5 billion to build. An interesting fact is that the skyscraper is home to the highest mosque in the world on its 158th floor.