Willis Tower: Quick Facts

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Willis Tower, Chicago

Willis Tower: the Ledge

The Willis Tower, formerly Sears Tower, rises above the Chicago skyline with its distinctive black, tiered structure and twin antennae, surrounded by other downtown buildings.

Chicago skyline at dusk featuring the Willis Tower (formerly Sears Tower) with its twin antennas, and the twin cylindrical Marina City towers in the foreground.

The Sears Tower (centre) and other buildings of the western downtown area of Chicago, looking south from the north branch of the Chicago River.

Examine the architectural design of Chicago's Willis Tower, inspired by a pack of cigarettes

What is the history of Sears, Roebuck and Company and Willis (Sears) Tower in Chicago?

Discover wind-resistant architectural designs in Chicago, including the bundled tube system used in Willis Tower

See how electricians change the colored roof lenses of Willis Tower

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(Left) Eiffel Tower; (right) Washington Monument. Combo using assets (Eiffel Tower) 245552 and (Washington Monument) 245554.

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