Outdoor sculptures inspired by cosmic domain walls are rare but fascinating intersections of art and theoretical physics. These artworks often symbolize the mysterious boundaries theorized in cosmology, where regions of the universe with different physical properties meet. While no known sculptures are literally made of cosmic domain walls—a hypothetical structure—several iconic pieces draw inspiration from this concept.

One notable example is "The Cosmic Wall" by artist James Turrell, an immersive installation that plays with light and perception to evoke the vastness of space. Another is Anish Kapoor's "Cloud Gate" in Chicago, often interpreted as a reflection of cosmic phenomena due to its fluid, otherworldly surface.

These sculptures challenge viewers to ponder the universe's grandeur, blending scientific curiosity with artistic expression. Though not physical domain walls, they capture the essence of cosmic boundaries, making them unforgettable landmarks.