Outdoor sculptures that incorporate magic eye illusions create a mesmerizing blend of art and perception, inviting viewers to engage with the artwork in unique ways. Among the most famous is *"The Magic Eyes of Barcelona"* by Spanish artist Javier Mariscal, a large-scale mosaic sculpture that reveals hidden 3D images when viewed with a relaxed gaze. Another standout is *"Illusion Gateway"* in London’s Canary Wharf, where abstract steel structures transform into recognizable shapes when observed from specific angles.

In the U.S., *"Perception Park"* in Chicago features a series of interactive sculptures that play with depth and perspective, requiring viewers to step back to uncover hidden patterns. Meanwhile, Japan’s *"Mirage Stone Garden"* in Naoshima Island uses strategically placed rocks that form illusory faces when seen from a distance.

These sculptures challenge traditional viewing experiences, merging optical science with artistic creativity. Whether through mosaics, steel, or natural elements, magic eye illusions in public art continue to captivate audiences worldwide.