Ruben Ochao, Collapsed (once extracted), 2009.
Mary Miss, Perimeter Pavilions Decoy, 1978.
Urs Fischer, You, 2007. Gallery floor dug-up.
Gordon Matte-Clark, Cherry Tree, 1971. Cherry tree planted and growing in a basement.
Edward Burtynsky, Nickel Tailings No. 35, 1996. Run off from nickel tailings.
Olafur Eliasson, Green River, 2000. Artificial non-toxic dying of water.
Robert Smithson, Spiral Jetty, 1970.
Robert Irwin, The Central Garden, Getty.
Central Park was designed too.