Left photo: Sears Tower became the tallest building in Chicago, surpassing the John Hancock ... adapted as its shoppers traded catalogs for downtown department stores, and followed customers ...

British insurance broker Willis Group Holdings Ltd. will lease space in the iconic Sears Tower, changing the building's name to Willis Tower. Video courtesy of Fox News.

More than 1.7 million people make their way to Willis Tower's Skydeck Chicago each year, and it's easy to see why. Occupying the 103rd floor – that's nine floors higher than 360 CHICAGO – of ...

Two Chicago developers aim to build as many as 3,000 homes, a hotel, stores and a marina along the Chicago River just south of downtown ... blocks south of the Sears Tower would mark a big ...

Willis (Sears) Tower is the tallest in the Western Hemisphere and attracts ... Hancock Observatory offers 360 degree views of the city from the Magnificent Mile in downtown Chicago. Night or day, a ...