A new book features unique sanctuaries in some of North America’s most beautiful natural landscapes, including mountain-top cabins, treehouse forest homes and desert retreats.

Some of the 19th and 20th Century's most famous designs were the work of little-known names, writes Cath Pound, as a new exhibition of US and Canadian female designers opens.

A new book features forest-dwelling designs across the globe, from tiny off-grid treehouses to experimental eco-friendly architecture – even in a city centre.