SOM Design Firm | Willis Tower: The Tallest in Chicago, Third in the U.S.
Willis Tower (formerly known as Sears Tower) is an iconic building in Chicago and the third tallest building in the United States, as well as the fourteenth tallest building in the world (as of 2024 data). Building Overview Height and Structure Total height: 442.3 meters (excluding antenna), including antenna total height 527.3 meters, with 108 … Read more