The notable building located at 150 N. Michigan Ave in Chicago, Illinois, is known as the Crain Communications Building. Also referred to as the Smurfit-Stone Building, it is easily recognizable due to its distinctive slanted diamond-shaped roof. The building is an iconic part of the Chicago skyline and was completed in 1984.

For more information about the Crain Communications Building, check this source. Here is an image of the building:

Image source: Wikipedia