The Auditorium Annex
The hotel opened as the Auditorium Annex to house the crowds arriving for the World’s Columbian Exposition. Developer R. H. Southgate built it, and Clinton J. Warren designed the north tower across Congress Street from Adler & Sullivan’s Auditorium Building.
A marble-lined passage under the street, known as Peacock Alley, connected the annex to the Auditorium Hotel next door.



























