The news helicopter hovering over the Chicago Loop was right at eye level. That’s what my family of four noticed right away as we stepped out onto the 1,353-foot-high glass balcony jutting out from ...

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 ...

CHICAGO (CBS) --Skydeck Chicago, the observation deck atop Willis Tower, the tallest building in Chicago, is celebrating its 50th anniversary. It was designed as a gift to the city of Chicago; an ...

The cracks formed after a group of visitors to the Skydeck at the Willis Tower stepped out on the Ledge, but Willis Tower officials said the glass itself did not crack, only the protective coating.