Beyond the white cube -- Log piece, Aspen 1968 / Carl Andre -- Project for a simple network of underground wells and tunnels / Alice Aycock -- Mill Creek Canyon Earthworks / Herbert Bayer -- Wrapped coast ; Valley curtain / Christo and Jeanne-Claude -- The New York earth room ; The lightning field / Walter De Maria -- Wheatfield : a confrontation / Agnes Denes -- Land/sea / Jan Dibbets -- The Pilgrims' way 1971 ; A 21 day coat to coast walking journey...Japan 1996 / Hamish Fulton -- Thin ice/made over two days/welded with water from dripping ice/hollow inside ; Storm King wall / Andy Goldsworthy -- Displaced/replaced mass ; Double negative ; Effigy Tumuli / Michael Heizer -- Sun tunnels ; Hyrda's head / Nancy Holt -- Flower triangle/underwater dam/threaded calabash ; Paricutin volcano project / Peter Hutchinson -- Cyrus field / Patricia Johanson -- Passages : homage to Walter Benjamin / Dani Karavan -- A line made by walking England 1967 ; A line in the Himalayas 1975 ; A line of 682 stones / Richard Long -- Perimeters/pavilions/decoys / Mary Miss -- Observatory / Robert Morris -- Circle X branded mountain/anthrax/diphtheria ; Whirlpool : eye of the storm / Dennis Oppenheim -- Star axis / Charles Ross -- Nonsite, Oberhausen, Germany ; Spiral jetty ; Broken circle/spiral hill / Robert Smithson -- Time landscape / Alan Sonfist -- Roden crater / James Turrell.