Sears Tower (Willis Tower)

The Willis Tower, formerly known as the Sears Tower, is a renowned skyscraper in Chicago and one of the tallest buildings in the world. Completed in 1973, it stands about 1,450 feet (442 meters) tall with 110 floors. Its distinctive bundled-tube structure provides strength and stability while maximizing space. The tower is a major commercial hub, home to offices, observation decks with sweeping city views, and tourist attractions. It symbolizes Chicago’s architectural innovation and economic strength, serving as an iconic landmark in the city’s skyline.