Confronting Frank Lloyd Wright’s legacy is not an exercise for the architecturally faint of heart. And Wright’s output is especially intimidating in this southeastern Wisconsin city, just over the border from Illinois. Here, in 1939, he completed the streamlined S.C. Johnson & Son Administration Building, with its Great Workroom, a timeless space supported by lily pad-shaped columns, where natural light floods in through rooftop skylights and a wraparound band of glass tubes. Wright’s iconic Research Tower, also hewn from brick, reinforced concrete and glass tubing, followed in 1950.  Read more at the Architectural Record.