The owners of the Aon Center, Chicago’s third-tallest skyscraper ... The Empire State Building’s is usually the only observation deck Cleveland-area resident Sybille Schomerus, 50, visits ...

Chicago will have three different spots ... Now imagine what the new Aon Center observation deck experience will be like: Stare at phone while waiting in line. Ride cool elevator up outside ...

Chicago’s battle for observation deck supremacy could turn into a three-way fight if the owners of the Aon Center get approval to build a 1000-foot-long glass elevator to brings tourists to new ...

Completed in 1973, Chicago’s Aon Center was originally known as the Standard Oil Building—or “Big Stan.” Shutterstock A planned observation deck atop Chicago’s Aon Center is aiming to up ...

The $150M plan would capitalize on Aon Center's proximity to Millennium ... renovations to Willis Tower's Skydeck. The 360 Chicago Observation Deck atop 875 North Michigan Ave.

An architectural rendering of a proposed observation deck atop the Aon Center in downtown Chicago. A City Council committee OK’d the plan Thursday. | 601W Companies The other stand-out feature ...

An $185 million proposal by 601W Companies to retool the Aon Center with a carnival-like observation deck is set to be approved by Alderman Alderman Brendan Reilly (42nd), the City Council’s key ...

CHICAGO — The owners of the Aon Center, Chicago's third-tallest skyscraper, on Monday unveiled plans for an observatory atop the building, potentially setting up a heated competition for tourist ...