Chicago is among first major U.S. cities to adopt and exceed the 2021 International Energy Conservation Code.

After an extensive renovation, an immersive new exhibition and reimagined observation deck open at Chicago’s Willis Tower, inviting visitors to explore the city’s past, present, and future.  

Vacant for decades, the former 342,000-square-foot Cook County Hospital has been transformed into a hotel, food hall, medical office, and community spaces by SOM.