Tapered tree-like columns support a triangulated wooden canopy at this summer pavilion in Helsinki designed by Aalto University student Pyry-Pekka Kantonen (photos by Tiia Ettala). More »

Dutch firm DUS Architects have created a pavilion made of bubbles. More »

The Serpentine Gallery in London has unveiled plans by Swiss architects Herzog & de Meuron and Chinese artist Ai Weiwei for this summer's Serpentine Gallery Pavilion: they'll conduct an archaeological dig to find traces of past pavilions on the site then line the resulting trenches with cork. More »

Slideshow: here's another of the six artists' studios that Norwegian firm Saunders Architecture designed for an island off the coast of Canada, this time a white angular cabin (photographs by Bent René Synnevåg). More »

Milan studio AtelierFORTE have built a sauna in the northern Italian countryside that has wings like a bird. More »

Designed in Hackney: London borough of Hackney architects Liddicoat & Goldhill have completed a garden cabin with a zigzagging facade that angles south towards the sun. More »

London architects Pernilla & Asif have unveiled designs for a pavilion that can be played like a musical instrument for the London 2012 Olympic Park. More »

This children’s playhouse by Barcelona architects Anna and Eugeni Bach has stripy wooden walls, folding window hatches and a ladder instead of stairs. More »

Slideshow: Rotterdam studio 2by4-architects designed this gabled summer house so the walls of one corner fold open. More »

Architects HWKN have won this year’s MoMA/P.S.1 Young Architects Program competition and will install a giant spiky structure that cleans the air in the courtyard of the P.S.1 Contemporary Art Centre in New York. More »

Performance venues don't get any more intimate than this. Folk in a Box provides just enough space for a single musician to play to an audience of one. More »

Here are some images of an extremely pointy pavilion in Tianjin, China, by Singapore studio Ministry of Design. More »

Portuguese architects Comoco have added a weathered steel cafe and a wooden gazebo on the hill of a castle in the town of Pombal. More »

Funhouse mirrors are mounted on the gabled ends of this playground pavilion in Copenhagen, as well as behind the doors. More »