Walter De Maria's Lightning Field (1977) is one of the twentieth century's most significant works of art. Situated in a remote area of desert in southwestern New Mexico, it comprises 400 polished, stainless-steel poles (spaced 220 feet apart) install...

Over a period of 25 years, the internationally renowned Canadian photographer Edward Burtynsky has been an explorer of unfamiliar places where human activity has reshaped the surface of the land. His astonishing large-scale colour photographs of the...