Glass City is a nickname often used to describe cities known for their modern architecture featuring extensive use of glass in buildings. One prominent example is Toledo, Ohio, which earned this title due to its many glass manufacturing companies and the presence of the Toledo Museum of Art, known for its glass collection. The term can also refer to Seattle, Washington, where the iconic Space Needle and other glass structures contribute to the skyline. These cities showcase how glass can enhance urban aesthetics while allowing natural light to illuminate interior spaces, creating vibrant environments for residents and visitors alike.