Here’s some background information about Willis Tower, formerly the Sears Tower, located in Chicago. The Sears Tower was the world’s tallest building until 1996, when it was surpassed by the Petronas ...

Willis Tower is one of Chicago’s most iconic skyscrapers and tourist destinations. Residents work in its offices, shop and dine in its entertainment centers and observe the Skydeck’s unparalleled ...

Aon To Buy Willis Towers Watson Insurance -- What Does That Mean For Willis Tower Name? If you're from Chicago and you're older than 30, you once knew the tall and iconic building composed of bundled ...

CHICAGO (WLS) -- One step at a time, thousands made strides at Willis Tower to support the Shirley Ryan Ability Lab. Sunday marked the 17th Skyrise Chicago, an endurance event challenging participants ...

CHICAGO (WLS) -- Hundreds of people raced to the sky for a good cause Sunday morning inside Chicago's tallest building. More than 1,700 climbers ascended the steps to the 103rd floor of the Willis ...

More than 2,000 people climbed more than 1,300 feet to the highest point in Chicago on Sunday, all for a good cause. The climbers took part in the 17th annual SkyRise Chicago event at the Willis Tower ...

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