Washington is up next in our series looking at houses from different US states, with a concrete dwelling cut into a rocky outcrop (pictured) and a retreat nestled in a canyon among the best examples (+ slideshow).
Seattle firm Olson Kundig used dynamite, chippers and saws to bore through the huge boulders of a rocky outcrop on a North American island to make room for this raw concrete house. Find out more about Pierre house »
Eagle Ridge Residence by Gary Gladwish
Rusty corrugated steel and wood salvaged from an old barn clad the exterior of this L-shaped house designed by American architect Gary Gladwish on Orcas Island, Washington. Find out more about Eagle Ridge residence »
The mountain landscape of Washington's Methow Valley is the setting for this family retreat, conceived by architect Tom Kundig as four structures arranged "like a little campground" around a big rock. Find out more about Studhorse house »
Nahahum Cabin by Balance Associates
This timber and concrete house designed by Seattle firm Balance Associates is nestled in a canyon at the foothills of the Cascade Mountains in rural Washington. Find out more about Nahahum Cabin »
Sliding barn-style doors inside this pared-back studio space and guesthouse by Seattle-based Shed Architecture and Design hint at the building's past life as a horse stable. Find out more about Stable Conversion »