Approximate location — plotted from published sources, not a site visit, and not a guarantee of access.
Robert Smithson’s 1970 land-art earthwork on Rozel Point: a 1,500-foot coil of basalt and earth winding into Great Salt Lake’s north arm. Stewarded by Dia Art Foundation on public lakebed; remote Great Basin desert shore with salt flats, basalt, and shifting lake levels that periodically submerge or expose the spiral.