The sunken sitting area, along with the principal bedroom and walkway to the left of the entryway were all reportedly added as part of the 1980s expansion.  Photo 4 of 17 in For the First Time Ever, This Winsome Illinois Home by Frank Lloyd Wright Is on the Market

For the First Time Ever, This Winsome Illinois Home by Frank Lloyd Wright Is on the Market

4 of 17

Materials and features along the floors, walls, and ceilings were all painstakingly matched and seamlessly replicated to convincingly integrate old and new halves.