American firm Olson Kundig Architects has completed a three-storey nature retreat in Costa Rica, featuring local teak wood, slatted walls and columns made of tree trunks. More about Olson Kundig designs Costa Rica Treehouse to tread lightly on the earth
Danish architecture studio EFFEKT has built a helical tower that invites you to climb up above the treetops of the Gisselfeld Klosters Forest in Denmark. More about EFFEKT completes spiralling Camp Adventure tower in midst of a Danish forest
London studio Dow Jones Architects has completed a temporary Maggie's Centre for cancer care in Cardiff with a series of angular roofs clad entirely in weathering steel. More about Ridged roofline at Maggie's Cardiff recalls outline of Welsh mountains
Architecture studio YTA has used traditional Brazilian cobogó bricks to create screens that help keep this home in São Paulo naturally lit and well ventilated. More about "Lace-like" terracotta screens keep Cobogó House in São Paulo airy and light
RAU Architects and Ro&Ad Architects have designed the egg-shaped Tij Observatory for the Scheelhoek Nature Reserve in Stellendam, the Netherlands, which can be taken apart and rebuilt elsewhere. More about Thatched reeds cover egg-shaped observatory for watching birds
Rogers Stirk Harbour + Partners has completed its first cultural building in the US: the International Spy Museum in America's capital, which features an angled black volume, splayed red columns and a zig-zagged glass wall. More about Rogers Stirk Harbour + Partners designs spy museum to stand out in Washington DC
Architects have been lamenting the loss of the Welbeck Street car park in London, as works starts to replace the brutalist building with a new hotel. More about Architects grieve as demolition starts on "design icon" Welbeck Street car park
U-Build is a simple modular construction system designed by Studio Bark, which encourages individuals and communities to self-build. More about Studio Bark's flat-pack U-Build system lets anyone self-build
Canyon-like walls overflowing with mist define the Doubleground pavilion, which nestles within the sculpture garden of the National Gallery of Victoria, Melbourne. More about Muir and Openwork create mist-filled "chasm" at National Gallery of Victoria
Curved glass blocks, white stuccoed volumes and courtyards are strung together to form this new community facility for Los Angeles' LGBTQ+ community, designed by architecture firms Leong Leong and KFA. More about Leong Leong and KFA complete Hollywood campus for Los Angeles LGBT+ Centre
The Eames Foundation has released a plan to maintain the modernist Californian residence that Charles and Ray Eames built for themselves to make it look like the designers "just stepped out for the day". More about Eames House preservation plan launched 70 years after residence was completed
Nike has launched an app setting that provides "hyper-accurate" sizing recommendations for each of its shoes by scanning your feet with a smartphone camera. More about Nike app uses AR and AI to scan feet for perfect fit
Paris-based architect Vincent Callebaut wants to give Notre-Dame Cathedral a new roof that generates energy and contains an aquaponic farm. More about Vincent Callebaut proposes a roof that generates energy and food for Notre-Dame Cathedral
The UK government has promised to pay to replace combustible cladding on private high-rise housing, almost two years after the Grenfell Tower fire. More about UK government will pay £200 million to replace Grenfell-style cladding
Aged brick walls and ceiling beams hint at the past lives of this building in Barcelona, which Cadaval & Solà-Morales has turned into a contemporary home. More about Cadaval & Solà-Morales converts 19th-century theatre into spacious Barcelona home
Allford Hall Monaghan Morris has designed a temporary replacement for the House of Commons, to be used by UK Parliament while the Houses of Parliament is restored. More about Plans unveiled for temporary UK Parliament designed by AHMM
New York firm SHoP Architects has designed an irregularly stacked office building for the US Embassy in Bangkok, Thailand. More about SHoP unveils US Embassy offices for lush site in Bangkok
The University of Stuttgart has continued its experiments into biomimicry and robotic construction with two pavilions at the Bundesgartenschau horticultural show in Germany. More about University of Stuttgart creates biomimetic pavilions based on sea urchins and beetle wings
The European Union has awarded its annual architecture prize to Transformation of 530 Dwellings, a renovation of 1960s housing in France by Frédéric Druot Architecture, Lacaton & Vassal Architectes and Christophe Hutin Architecture. More about Social housing revamp in Bordeaux wins Mies van der Rohe Award 2019
The Guggenheim Foundation has revealed that its Frank Gehry-designed art museum in the United Arab Emirates is "on track" to complete in four years time. More about Construction set to begin on Frank Gehry's long-awaited Guggenheim Abu Dhabi