Its name, The Joffrey (; [tel] 312/386-8905), is uttered around Chicago with an air of reverence. It’s been the subject of books and movies. Part rock ballet, part classic ballet, there are times that dancers are rocking out to Prince and other days, Romeo and Juliet. Every year, The Joffrey performs The Nutcracker to sold-out audiences in December. Another perk to seeing the Joffrey is a visit to its resident theater, the Auditorium Theatre (50 E. Congress Pkwy., btw. Michigan and Wabash aves;; [tel] 312/341-2310), which is among the most beautiful theaters in Chicago—and it’s also a certified national landmark. Built in 1889 by Louis Sullivan and Dankmar Adler, this grand hall schedules mostly musicals, concerts, and dance performances. Even if you don’t catch a show here, you can stop by for a tour