A stainless-steel slide curls down through the interior of this elevated playhouse, which is topped by a crow's nest offering views over New York's Hudson River Valley (+ slideshow). More about Playhouse on stilts by Sharon Davis features a slide, a climbing frame and a lookout point
The lower level of this village doctor's surgery in Spain is sunken down below road level and partially embedded in a slope, allowing it to appear the same size as the surrounding buildings (+ slideshow). More about Paüls Doctor Surgery by Vora is a two-storey structure that hides its base below road level
Architecture and landscape firm Snøhetta has been appointed to develop plans for a new public access route along Willamette Falls in Oregon, the second largest waterfall in the US (+ slideshow). More about Snøhetta team to design river walk next to America's second largest waterfall
Architecture studio SHoP and interior design firm Studio O+A have unveiled plans for a glassy new mini-campus for the firm behind the controversial Uber taxi app (+ slideshow). More about SHoP Architects unveils designs for Uber's San Francisco headquarters
Slim batons of timber clad the facade of this medical clinic by Alt Arkkitehdit, which is set on the edge of a Finnish forest. More about Curving wooden wall fronts Ruukki Health Clinic in Finland by Alt Arkkitehdit
This concrete pavilion built in the centre of a Polish quarry is a paleontological research centre that protects the remains of a small prehistoric reptile discovered in the 1980s (+ slideshow). More about Paleontology centre inside a quarry exhibits the bones of a prehistoric reptile
Spanish architect Francisco Mangado has created contemporary galleries for a fine arts museum in northern Spain by inserting a crystalline glass building behind the leftover facade of a demolished block. More about Francisco Mangado expands a Spanish museum by adding a new building behind a historic facade
Monica Ponce de Leon has been named the new dean of the Princeton School of Architecture, following the sudden departure of Alejandro Zaera-Polo in October 2014. More about Monica Ponce de Leon to replace Alejandro Zaera-Polo as architecture dean at Princeton
Zaha Hadid has completed a new facility for the University of Oxford – a centre for studying Middle Eastern culture, conceived by the architect as a reflective tunnel suspended in space (+ slideshow). More about Zaha Hadid adds a shimmery steel tunnel to an Oxford University college
These three brick buildings, featuring deep-set windows and internal courtyards, have been arranged by B.E. Architecture around a cobbled lane in the Australian town of Windsor (+ slideshow). More about B.E. Architecture completes a trio of red brick houses for the same family
SANAA has been selected to design a new building for Art Gallery NSW in Sydney, ahead of architects including Kengo Kuma, David Chipperfield, Renzo Piano and Herzog & de Meuron. More about SANAA triumphs in hotly contested Sydney Modern gallery competition
Architect Rem Koolhaas has spoken out against the way technology is infiltrating buildings, saying it is "totally astonishing" that people are willing to sacrifice their privacy for convenience and describing the rise of smart systems as "potentially sinister". More about Architects underestimate "potentially sinister" smart-home technologies says Rem Koolhaas
A doll's house provided the inspiration for this extension to a house outside Melbourne, which features a gabled profile, a simple gridded layout and a transparent rear facade (+ slideshow). More about Gabled extension by BKK Architects borrows the form of a doll's house
London studio Carmody Groarke has used timber and plastic to build a temporary exhibition space for the White Cube art gallery in the grounds of a country house in East Sussex, England (+ slideshow). More about Carmody Groarke's new White Cube gallery is an angular timber and plastic pavilion
Automated shutters are used to regulate the internal climate of this environmental science and palaeontology research centre for a university near Barcelona (+ slideshow). More about Palaeontology research centre wrapped in computer-controlled shutters
Bjarke Ingels has spoken of his desire to replace Modernism's "boring box" legacy with new kinds of localised architecture at a lecture at New York's Metropolitan Museum of Art (+ transcript). More about BIG wants to create new styles of vernacular architecture, says Bjarke Ingels
Sections of brick, zinc, timber and concrete highlight the intentionally irregular form of this Sydney residence – a result of myriad planning restrictions (+ slideshow). More about Bijl Architecture reinterprets the traditional Dutch gable for a Sydney residence
Dezeen promotion: Danish architect Bjarke Ingels will be the youngest architect ever to deliver the Annual Architecture Lecture at London's prestigious Royal Academy of Arts. More about Bjarke Ingels to deliver the Royal Academy Annual Architecture Lecture 2015
Paris studio CUT Architectures has returned to the house it extended in 2011 to create a glazed study featuring a yellow staircase that integrates a desk (+ slideshow). More about CUT Architectures adds a second concrete-framed extension to a French home
A pair of twisted concrete fins frame a fireplace at the centre of this pavilion, designed by German architecture office NE-AR as an extension to an holiday home in Argentina (+ slideshow). More about Lakeside concrete pavilion by NE-AR houses a fireplace inside a twisted column