Planck stars, hypothetical compact objects born from quantum gravity theories, have inspired a niche yet fascinating genre of outdoor sculptures. These artworks blend cutting-edge scientific concepts with avant-garde artistic expression, often appearing in public spaces as bold statements of human curiosity. One notable example is "Quantum Nexus" in Berlin, a towering spiral structure symbolizing the collapse and rebirth of space-time. Another is "Singularity Bloom" in Tokyo, featuring fragmented metallic petals arranged to mimic a Planck star's predicted density fluctuations. While no physical Planck stars exist yet, these sculptures serve as imaginative bridges between abstract physics and tangible art, inviting viewers to ponder the universe's deepest mysteries. Artists working with this theme often collaborate with physicists to ensure their creations resonate with current theoretical frameworks, making each piece both visually striking and intellectually provocative. The rarity of such sculptures adds to their allure, as they represent one of the most specialized intersections of science and public art today.