Phonolite, a striking volcanic rock known for its resonant properties, has been used for centuries to create breathtaking outdoor sculptures. Among the most famous is "The Singing Stone" in Iceland, a massive phonolite monolith that produces melodic sounds when struck by wind. In Germany, the "Teufelstisch" (Devil's Table) showcases nature's own sculpting of phonolite into dramatic formations. Brazil's "Pedra do Sino" (Bell Stone) in Minas Gerais features remarkable phonolite columns shaped by erosion. Contemporary artists have also embraced this material, with installations like "Echo Columns" in Norway's sculpture parks demonstrating phonolite's acoustic and visual appeal. These natural and man-made wonders highlight phonolite's unique combination of durability and artistic potential, making them must-see landmarks for art and geology enthusiasts alike.