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

Pennsylvania’s Longwood Gardens unveils its $250m renovation and expansion project on 22 November

Oklahoma’s Price Tower is caught in a tug-of-war between its current crypto-enthusiast owners, Wright’s conservancy and a company that restores historic buildings

What is happening with Breuer’s Cape Cod home?

Is Oklahoma’s historic Price Tower doomed?

The late artist L.V. Hull’s house will be part of the first visual arts centre in the town of Kosciusko, Mississippi

The designation will aid the Chinati and Judd foundations in preserving their buildings in the West Texas town

The $66m project includes expanding galleries, creating research and education spaces and restoring its landmark 1908 building