Robert Smithson’s groundbreaking land artwork Spiral Jetty (1970) has at last entered America’s National Register of Historic Places, joining the the likes of Ocmulgee Mounds National ...

The large earthwork—consisting of more than 6,000 tons of black basalt arranged in a coiling, 1,500ft-long and 15ft-wide form—was donated to Dia in 1999 through Smithson’s estate and his ...

“As I looked at the site, it reverberated out to the horizons only to suggest an immobile cyclone while flickering light made the entire landscape appear to quake,” Smithson wrote at the ...

Robert Smithson’s Spiral Jetty, the 1,500-foot-long coil of basalt rock on the northeast edge of the Great Salt Lake, has been added to the National Register of Historic Places. The designation ...