On a clear day, the view stretches more than 50 miles across four states. The wind off Lake Michigan sweeps past the glass ...

When the Willis Tower (still called the Sears Tower by some of the more intransigent Chicagoans) was completed back in 1974 it was known around the world as the tallest building on the planet. A title ...

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 ...

Completed in 1973 and for 25 years the tallest building in the world, the 110-story Willis Tower has marked a major milestone in its transformation with the completion of a new Skydeck experience ...