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 ...

and it continues to be the king of Chicago’s skyline. Now, the Willis (Sears) Tower is celebrating a monumental birthday in a big way. The Skydeck celebrates its 50th anniversary this week ...