The 1,500ft-long, coiling earthwork in Utah’s Great Salt Lake is arguably the best known example of Land art

A look at the past, present and future of the famed New York contemporary-art institution, which started out with an ambitious mission to create massive public works and has morphed into a museum for the 21st century

The famous Land Art site in Utah became a popular destination, with more than 700 cars logged at the site in one day

From Smithson’s Spiral Jetty to a mordant Trump nutcracker figure