Illinois
ilapostille.Com

The Willis Tower, also known as the Sears Tower, is a skyscraper in Chicago, Illinois. It has 108 stories and is 442 meters tall. It was the tallest building in the world at the time of its completion. As of now, it is the tallest building in the United States and the fifth-tallest freestanding structure in the world.

Tags:  sears tower skyscraper chicago illinois completion structure freestanding