This month's At-a-Glance Photo Contest featured a photo of the lobby of the Rookery Building.
To learn more about the Rookery, how it got its name, and why Frank Lloyd Wright was asked to redesign the lobby in 1905, click here.
Many of you sent in the correct answer this month but, alas, we can only have one winner. Who was the first to respond with the correct answer? Check our website for details.