Robert Smithson was a pioneering American artist known for his contributions to the Land Art movement during the 1960s and 1970s. His work often combined natural materials with grand-scale earthworks, reflecting a deep engagement with the environment and the landscape. One of his most famous pieces, "Spiral Jetty," exemplifies his innovative approach, as it is a massive coil of rock and earth that extends into the Great Salt Lake in Utah. This work highlights...