What distinguishing feature can be found on the Sullivan Center in Chicago?

The Sullivan Center in Chicago is renowned for its distinctive and elaborate terracotta detailing, which is a hallmark of the architectural style championed by Louis Sullivan, one of the pioneers of modern architecture. This building showcases intricate designs and decorative motifs made from terracotta that embellish its façade, reflecting Sullivan's philosophy of form following function and his belief in the importance of ornamentation in architecture. The use of terracotta not only provided aesthetic beauty but also allowed for a rich variety of textures and patterns that contributed to the building's character and visual appeal. Sullivan's approach to architecture emphasized the integration of decorative elements with structural design, making the ornately detailed terracotta a key identifying feature of the Sullivan Center.