Auditorium BuildingCategory:ARTS & CULTURE
The Auditorium Building original configuration combined a theater seating, a four-hundred-room hotel, and 136 offices and stores. The hotel lobby with a notable interior is now Roosevelt University. The Auditorium Building is one of the best-known designs of Dankmar Adler and Louis Sullivan. It was declared a National Historic Landmark in 1975 and it was designated a Chicago Landmark on September 15, 1976.