The awe-inspiring building contains more than 1,00 apartments and is spread over ... known as "The Interlace" — was named the world's best at the World Architecture Festival earlier this month.

A penthouse in the Burj Khalifa, the world's tallest building, is on the market for $49 million. The home is about 2,300 feet off the ground, about 845 feet higher than the Empire State Building.