Robert Smithson. Proposal for a Monument at Antarctica. 1966.
Source: metmuseum.org
Robert Smithson, Proposal for a Monument at Antarctica, 1966.
Robert Smithson, Spiral Jetty (1970) Aerial view of 'Spiral Jetty', Great Salt Lake, Utah. {Photographed by David Maisel in August of 2003}
Source: historyofourworld.wordpress.com