Urban spelunking: Touring Adler & Sullivan's Auditorium Theatre in Chicago
Despite struggles over the years, Chicago's landmark Auditorium Theatre not only continues to host concerts and other events, but it's as beautiful as ever. And you can take a tour that will lead you through the lobby, the dressing rooms and other back of house spaces, the rows of seats, the opera boxes and even onto the stage.
Source: onmilwaukee.com