Explore Willis Tower with Stanza's GPS-triggered offline audio guide.

The Willis Tower is a 110-story skyscraper in Chicago, Illinois, United States. Once the tallest building in the world, it remains an iconic landmark featuring an observation deck that attracts numerous visitors.
Explaining the revolutionary 'bundled tube' design and honoring structural engineer Fazlur Rahman Khan.

Meet the visionary known as the 'Einstein of Structural Engineering,' whose innovative tube system made the modern supertall skyline possible.
Preparing visitors for the 60-second elevator journey to the 103rd floor.

Step out onto the 103rd floor and prepare for an unparalleled perspective that stretches across state lines on clear days.
The signature experience of the tour: standing in glass boxes 1,353 feet above the city.

Test your courage with a vertiginous gaze through the floor, staring directly at the busy city streets nearly 1,400 feet below.

Understand the engineering marvel of the glass boxes that hang precariously over the edge, offering a floating experience for visitors.
Exploring the skyline views toward Lake Michigan and the historic financial district.

Survey the vast blue expanse of Lake Michigan and the sprawling greenery of Grant Park, known as Chicago's historic front yard.
Download the Stanza app to unlock all 22 stops and full GPS-guided navigation.
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