More than 1.7 million people make their way to Willis Tower's Skydeck Chicago each year ... this platform is made entirely of glass – even the floor. Travelers also liked the video screens ...

Formerly known as the John Hancock Observatory, 360 CHICAGO towers 1,000 feet over The Magnificent Mile from its location on the 94th floor of the ... a cup of coffee, a glass of wine or a snack ...

Step out on the clear glass ledge to see the lights of the city from the 103rd floor of this Chicago iconic structure. Reservations are required, and the SkyDeck is open on Christmas Day from 8:30 ...