The part of Oslo's government quarter damaged during the 2011 terrorist bombing will be replaced by one of two proposals – one by a team including Haptic and Nordic, and another by a team featuring A-Lab and LPO Architects. More
SOM has won a competition to design a new district for Sri Lankan city Colombo, with a design featuring numerous skyscrapers, a marina, canals and a park, influenced by the country's tropical climate. More
"Monster cities" in Asia including Seoul, Taipei and Jakarta are racing ahead of western counterparts in terms of architectural vision and urban design quality, according to architect Winy Maas of MVRDV. More
A single-room hotel, a public greenhouse and a set of polling booths are just some of the unusual functions assigned to a set of train carriages designed by Danish studio AART for an old industrial area of Aarhus. More
Artistic duo Studio Morison has erected a pink pavilion shaped like an origami pineapple in the centre of the 18th-century walled garden of the Berrington Hall country estate in Herefordshire, England. More
Facebook has announced that architecture firm OMA will masterplan a new village for the area adjacent to its Frank Gehry-designed campus in Menlo Park, California. More
Dezeen promotion: entrepreneur Adrian Cheng has worked alongside Dutch architecture studio Concrete to create a new social space in Hong Kong tower Skypark that meets the needs of its youthful residents. More
Hikers can stay overnight for free at this elevated shelter on the outskirts of Bordeaux, designed by London-based Studio Weave to reference the form and materiality of traditional water towers. More
The creators of New York's High Line have launched a platform to advise similar infrastructure reuse projects in the USA. We've rounded up the 18 other schemes in the works, including an OMA-designed bridge with ramps and waterfalls, and an underground park. More
Plans to cut a "wound" into a Norwegian peninsula in memory of the victims of terrorist Anders Breivik have been abandoned following years of opposition from locals. More
Western cities have done a better job of integrating technology into their infrastructure than the new wave of Asian smart cities, according to architect and television presenter Jason Pomeroy. More
David Adjaye's temple-like canopy, Bjarke Ingels' looped auditorium and Sou Fujimoto / William Matthews' spiralling pathway are among the seven shortlisted proposals for an events pavilion in Edinburgh, Scotland. More
Colourful playgrounds, undulating pathways and a spot for kayaking are among the proposals made by seven architecture firms to revitalise areas along the Los Angeles river. More
Prolific Japanese design studio Nendo has now moved into urban design, unveiling its massive CoFuFun plaza near Kyoto. More
Snøhetta has unveiled its plans to transform an abandoned paper mill blocking a view of Oregon City's Willamette Falls and waterfront into a cultural complex looped by an elevated pathway. More
With summer on the way, we've rounded up 10 of the best rooftop gardens from Dezeen's Pinterest boards, from a lush oasis on the roof of a Sydney penthouse to a tranquil rooftop courtyard complete with lotus pond in India. More
Dutch studio MVRDV has converted a former overpass into a plant-covered walkway in Seoul, which follows a kilometre-long route above the traffic. More
Argentinian studio Adamo Faiden has designed a stepped public plaza to cover an underground carpark in Catalinas Norte, the financial centre of Buenos Aires. More
A+Awards: landscaped circles accommodate different activities at the centre of the redeveloped Navy Yards in Philadelphia, designed by James Corner Field Operations and a winner at the 2016 Architizer A+Awards. More
Madrid studio Ecosistema Urbano has won first place in a competition to revamp the waterfront of Florida's West Palm Beach, with a proposal for domed spaces that house an array of functions, from an aquarium to a yoga and meditation zone. More