[4] The original building was demolished in 2004, a new structure opened in 2005 with a maximum occupancy of 300, which is about three times the standard McDonald's patron seating capacity.

The building featured the first two-lane McDonald's drive-through, relatively luxurious decor, a café, flat panel televisions and a green roof.

[10] McDonald's has had a restaurant at 600 N. Clark Street since 1983, though the new building was redeveloped and reopened on April 15, 2005 as a bi-level flagship restaurant/museum with a two lane drive through.

[14] The restaurant is priced higher than other Chicago-area McDonald's, in order to subsidize the interior decor which includes numerous plasma display flat screen televisions and expensive Italian lighting.

Its second floor includes a coffee bar serving lattes, gelato and biscotti and lounges that pay homage via museum display, music, and decor to every decade the chain has been in business.

[5] The south (rear) half of the upstairs portion has a series of displays of early McDonald's photos, multimedia, and paraphernalia including the fast food giant's striped polyester uniforms from the 1960s.

Much of it is arranged by decade going back to the mid-1950s when McDonald's first opened and is accompanied by pop culture artifacts such as pet rocks, early cell phones, and 8-track tape players.

The exterior eschews emphasis on the corporate red and golden colors and the interior is upgraded for modern commerce: ordering kiosks, table service and use of the mobile app.

[2][17] The company had moved its corporate headquarters from Oak Brook to the nearby Fulton-Randolph Market District of the Near West Side in Chicago in June 2018.