February 7, 2017, 7am PST
Designed for a different era, Willis Tower's pedestrian-phobic base is in line for a complete overhaul. The goal is to open the immense tower to the street.
July 18, 2014, 8am PDT
Sen. Mark Kirk (R-Ill.) expressed irritation that Chicago is no longer a world-class city when it comes to building heights. The issue arose during a Senate floor discussion on the Terrorism Risk Insurance Act. Chicago's Willis Tower ranks #11.
November 9, 2013, 1pm PST
Spire or antenna; what sits atop One World Trade Center in Lower Manhattan? The answer isn't just semantics, it will determine if the building is indeed taller than Chicago's Willis Tower. A decision by the official arbiter could come next week.