Large-scale installations by James Turrell, Jenny Holzer, Paul McCarthy and others will be fully unveiled in 2026

Opponents of the plan say Nine Mile Canyon, described as “the world’s longest art gallery”, is too narrow and fragile to accommodate the widened road and increased tanker traffic

Legislators in the state are planning legal action in order to allow mining in region that contains 100,000 archaeological sites

Obata was incarcerated at the Topaz Relocation Center in Utah during the Second World War; now 35 of his works have been acquired by the Utah Museum of Fine Arts

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

The Bureau of Land Management is offering a $10,000 reward for information leading to the arrest of those responsible