We're heading to Arizona for this week's roundup of American houses from different states, where a rammed-earth retreat near the Mexican border and a white concrete house in the desert are among our top five (+ slideshow).
Rammed-earth walls built using desert soil are wrapped in a protective weathered steel shell at this courtyard house near Phoenix. Find out more about Desert Courtyard House »
Arizona studio DUST has created a desert home south of Tucson using volcanic residue to form rammed-earth walls. Find out more about Casa Caldera »
The remains of a former miner's residence in the Arizona desert provided the foundations for this tiny steel and concrete retreat. Find out more about Desert Hideaway »
Marwan Al-Sayed Architects has created a monolithic house in Paradise Valley, Arizona using white concrete. Find out more about Desert City House »
This holiday house with rammed earth walls by US architects DUST is nestled amongst the rocky outcrops and sprouting cacti of the Sonoran Desert in Arizona. Find out more about Tucson Mountain Retreat »