National Register of Historic Places

Garden party: one of the largest and most historic gardens in the US reveals its transformation

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

Fate of Frank Lloyd Wright’s only skyscraper remains uncertain amid duelling lawsuits

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

US National Register of Historic Places adds first art environment of an African American artist

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

Centre of Marfa, Texas, including 11 buildings repurposed by Donald Judd, added to US National Register of Historic Places

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

National Museum of Women in the Arts will close for two-year renovation

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

Rothko Chapel enters the National Register of Historical Places 20 years early

The non-denominational chapel located in Texas is known both for it's site-specific Rothkos and it's advocacy for human rights