Land art festivals have inspired some of the most iconic outdoor sculptures, blending natural elements with human creativity. Among the most famous is Robert Smithson’s *Spiral Jetty* (1970), a monumental earthwork coiled into Utah’s Great Salt Lake. Its dynamic interaction with water and salt crystals makes it a quintessential land art masterpiece.

Another standout is *Double Negative* (1969) by Michael Heizer, where two massive trenches were carved into Nevada’s desert, challenging perceptions of space and absence. Similarly, Walter De Maria’s *The Lightning Field* (1977) transforms New Mexico’s plains into an electrifying grid of steel poles, merging art with natural phenomena.

Festival recreations like the *Burning Man* temple designs often echo these principles, using ephemeral materials to create immersive, large-scale installations. Andy Goldsworthy’s transient works, such as *Storm King Wall*, also reflect land art’s ethos, weaving stone into the landscape seamlessly.

These sculptures redefine outdoor art, proving that nature itself is the ultimate canvas.