Spiral Jetty

Robert Smithson, Spiral Jetty, 1970.










Sprial Jetty film stills

Robert Smithson, Documentation of film stills from Spiral Jetty, 1970.









Robert Smithson's Spiral Jetty made pink by algae in the Great Salt Lake, 2011











Double Negative

Double Negative

Michael Heizer, Double Negative, 1968 - 1970.
Center for Land Use Interpretation, Michael Heizer, Double Negative present day











Michael Heizer, Levitated Mass at LACMA, 2012.











Nancy Holt, Sun Tunnels, 1973 - 1976.