$185M Aon Center observatory, with thrill ride and glassy exterior elevator, set to open in 2022

A little later than expected, Chicago’s third observatory is coming into view as the owner of the Aon Center prepares to start building the long-discussed $185 million addition. The skyscraper’s owner, 601W Cos., expects to [...]

By |2020-02-20T16:32:03+00:00February 20th, 2020|
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