American firm Olson Kundig Architects has unveiled plans to renovate the Space Needle observation tower in Seattle by adding slanted glass balustrades and a rotating glass floor. More about Olson Kundig set to overhaul Seattle Space Needle
American firm goCstudio has created a small winery complex in rural Washington, with a subtle profile and earthy material palette that demonstrate the project's "reverence for the landscape". More about GoCstudio designs low-lying winery to blend with Washington's natural terrain
Seattle firm Coates Design has completed a home in Washington's Cascade mountain range that serves as a hub for members of a large extended family. More about Steel beams support dramatic roof overhangs at Washington state retreat by Coates Design
American firm Graham Baba Architects took cues from rural vernacular architecture while conceiving the headquarters for the Washington Fruit and Produce Company, situated in an area dotted with farms and warehouses. More about Old wooden barns inform Graham Baba's office building for Washington fruit company
Water views from this long narrow home in West Seattle by Suyama Peterson Deguchi are strategically framed using existing trees on site. More about Seattle waterfront home enjoys carefully chosen views through lush vegetation
Entertainment powerhouse HBO uses this office space in Seattle, designed by California firm Rapt Studio, to develop and test its digital and interactive products. More about Rapt Studio designs office space to allow HBO to "reimagine entertainment"
Heliotrope, a firm based in the US Pacific Northwest, has completed a contemporary dwelling that features a double-height art studio, a Japanese garden and a wooden soaking tub. More about Heliotrope creates cedar-clad home and studio in Seattle
Seattle-based MW Works has overhauled an early-20th-century barn to create a family holiday home that celebrates rustic materials and fittings. More about MW Works transforms century-old Washington barn into rural family retreat
American studio MW Works has knocked down walls and added glazing in a 1960s Seattle home, to create a more open layout and strengthen the connection between inside and out. More about MW Works updates mid-century modern home in Seattle lakeside neighbourhood
This vacation home in Washington state by Prentiss Balance Wickline encloses a courtyard within interlocking volumes clad in weathering steel. More about Weathering-steel volumes wrap courtyard at Washington holiday home
US firm MW Works Architecture + Design has created a holiday home with ample glazing and natural materials, helping it blend with its picturesque surroundings. More about MW Works uses weathered cedar and glass to build waterside Washington retreat
Design-and-construction firm First Lamp Architects has raised this family home near Seattle above a nearby body of water, drawing references from bridge structures. More about Waterfront home near Seattle is lifted on bridge-like structural supports
A long central bar divides this neighbourhood hangout in Seattle into areas for buying sandwiches, drinking craft beer and watching sports (+ slideshow). More about Mammoth cafe and craft beer bar in Seattle accommodates different social spaces
"Float-level" sleeping quarters in this single-family home moored to the shore of Seattle's Lake Union allow residents to go swimming directly from their bedrooms (+ slideshow). More about Floating home in Seattle by Vandeventer + Carlander features water-level bedrooms
US studio James Corner Field Operations has created an installation for the National Building Museum in Washington DC that evokes a glacial landscape, with giant shard-like forms that jut upward and downward (+ slideshow). More about James Corner Field Operations installs over 30 "icebergs" in Washington DC museum
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). More about Five of the best houses in Washington state on Dezeen
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 (+ slideshow). More about SHED transforms Washington horse stable into art studio and living quarters
Visitors can take a plunge into a cold lake after warming up in this floating wooden sauna by Seattle firm goCstudio – the latest example of the trend for buoyant architecture (+ slideshow). More about WA Sauna by goCstudio floats on Seattle's Lake Union
American firm Hennebery Eddy Architects used wood, concrete, glass and battered stone to create this chapel on a Jesuit high school campus in Seattle (+ slideshow). More about Seattle chapel by Hennebery Eddy features walls of rough sandstone and concrete
A women's athletic shop in Seattle by local firm goCstudio features a display system that can be elevated with a hand crank to make way for in-store events (+ slideshow). More about Seattle running store by goCstudio has hanging racks that can be raised toward the ceiling