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The Willis Tower, originally and still commonly referred to as the Sears Tower, is a 110- story, 1,451-foot (442.3 m) skyscraper in the Loop community area of Chicago in Illinois, United States.
The Willis Tower, formerly known as the Sears Tower, is a 108-story, 1,450-foot (442.1 m) skyscraper in Chicago, Illinois. The tower has 108 stories, though the building's owners count the main roof as 109 and the mechanical penthouse roof as 110.
Formerly known as the Sears Tower, Willis Tower has been an iconic part of the Chicago skyline since 1973. At 110 stories high, Willis Tower is also one of the largest skyscrapers in the world. In 2017, Willis Tower underwent a massive transformation to be reimagined for the future of work.
This history explains why many Chicagoans still nostalgically refer to the building as the Sears Tower, although it has not technically been the Sears Tower for years.
Willis Tower (formerly known as the Sears Tower) is a 110 story building in the heart of Chicago’s downtown. Willis Tower is not only one of the tallest buildings in the world, it is also a magnificent icon, impossible to miss within Chicago’s skyline.
For nearly 25 years after its completion, the Willis Tower, formerly known as the Sears Tower, held the title of tallest building in the world. Standing 110 stories tall, its black aluminum and bronze-tinted glass exterior has become emblematic of Chicago, a city crazy about its architecture.
The former Sears Tower in Chicago boasts exceptional construction, architecture, and design. It was crafted by renowned architect Bruce Graham and structural engineer Fazlur Rahman Khan and made history with its innovative bundled tube system.
The Willis Tower (formerly Sears Tower) in Chicago, with its signature black aluminum and bronze-tinted glare-reducing glass, was the tallest building in the world for nearly 25 years. Completed in 1974, Willis Tower set the standard for supertall skyscrapers around the globe, both in its innovative design and graceful styling.
Willis Tower is the premier corporate office building in Chicago, home to more than 100 companies including prominent law, insurance, transportation and financial services.
• Originally the Willis Tower was going to be two twin towers occupying the site at half the height of the current tower. • When completed as the Sears Tower in 1973 it surpassed One World Trade Center in New York City, completed earlier that year as the World’s Tallest Building.
