Departs from the ArchiCenterShop in the Santa Fe Building, 224 S. Michigan Avenue. Discover four late 19th Century Chicago Loop landmarks in this remarkable 2 hour tour: the Art Institute, the Marquette Building, the Chicago Cultural Center and Marshall Fields which hold a wealth of art-glass fixtures, vaults and domes by Louis Comfort Tiffany and his contemporaries. Tiffany on Wednesdays Tour (Wednesdays only) 312-922-3432