Fly above the iconic silhouette of the Windy City with this breathtaking drone footage of the Willis Tower (formerly the ...

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 ...

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 ...

The tower owners claim the protective glass worked as designed. But will the experience ever be the same? Stare into the eerie soul of some of the world's tallest skyscrapers with Iván Navarro's new ...