LEGO Architecture: Burj Khalifa
The Burj Khalifa is the current tallest building on Earth, standing 2,325 ft. (2,684 ft. with the spire) and is 162 stories. It is located in Dubai, United Arab Emirates. The model is 17'6" tall, consists of 450,300 pieces and took 280 hours to design and 340 hours to build.
Photo of LEGO Architecture exhibit by Wally Bahny for TechRepublic
I believe the open areas are actually parking. Odd, but there's parking spaces with cars in them all around the outside of the building. Not sure how they get up there, I always assumed some sort of elevator.