High Quality Content by WIKIPEDIA articles! The Rookery Building is a historic landmark located in the Loop community area of Chicago in Cook County, Illinois, United States. Completed by John Wellborn Root and Daniel Burnham of Burnham and Root in 1888, it is considered one of their masterpiece buildings. It once housed the office of the famous architects. It measures 181 feet (55 m), is twelve stories tall and is considered the oldest standing high-rise in Chicago. It has a unique style with exterior load-bearing walls and an interior steel frame, which provided a transition between accepted and new building techniques. The lobby was remodeled in 1905 by Frank Lloyd Wright. Starting in 1989, the lobby was again restored to the original Wright design.