Icelandic studio Terta has transformed the site of the historic Elliðaárstöð power station in Reykjavík into a hub for learning, culture and play, restoring and updating its existing buildings with colourful accents. More about Terta transforms decommissioned power station in Iceland into colourful site for "learning by playing"
Architecture studio Herzog & de Meuron has transformed the industrial structure of the Titlis Tower in the Swiss Alps into a sculptural tourist destination with dramatic cantilevers and a panoramic viewpoint. More about Herzog & de Meuron transforms mountain antenna tower into "iconic sculpture"
UK studio Tim Ronalds Architects has converted a series of 17th- and 18th-century buildings in Clerkenwell, London, into the Quentin Blake Centre for Illustration. More about Historic windmill and engine house transformed into Quentin Blake Centre for Illustration
Icelandic studio T.ark Architects has completed Laugarás Lagoon, a geothermal spa topped by a grass-covered roof with large parabolic archways that reference the region's ancient cave dwellings. More about T.ark architects cloaks Laugarás Lagoon in Iceland with "grass tent"
UK architecture firms Pearce+, Invisible Studio and Lean Structures have completed the Silk Wood Playscape in Gloucestershire, using oak from the surrounding forest to create "informal, unprogrammed" play structures. More about Woodland playscape in Gloucestershire crafted from surrounding trees
Zigzagging eucalyptus poles and sandstone offcuts form the stands of this 1,280-seat football stadium, designed and built by not-for-profit enterprise Rise International in Lesotho, southern Africa. More about Eucalyptus poles outline Stadium of Life for footballers in Lesotho
Italian studio Stefano Boeri Architetti has unveiled plans to transform a historic transportation depot into a greenery-covered public space in Rome's Della Vittoria neighbourhood. More about Stefano Boeri Architetti to convert depot into community hub in Rome
Local studios Svendborg Architects and Wohlert Arkitekter have completed Ishøj Theatre in Denmark, designing a timber-clad facade with curved openings that evokes stage curtains. More about Timber wraps around "magical and out-of-the-ordinary" children's theatre in Denmark
Chinese architecture studio Büro Ziyu Zhuang has created Prairie Ark, a public gallery resembling a flying saucer that has touched down on grassland in Inner Mongolia, accompanied by a viewing tower. More about Büro Ziyu Zhuang creates UFO-shaped gallery in grassland in Inner Mongolia
Japanese studio Atelier Write has transformed a warehouse in Tokyo into a hair salon, suspending mirrors, shelves and curtains from a series of industrial rails that allow the entire space to be reconfigured. More about Atelier Write converts Tokyo warehouse into reconfigurable hair salon
Danish architecture studios Arcgency and MAST have completed Bedding 1 in Copenhagen, a floating community space and guesthouse that is moored alongside the artificial island of Christiansholm. More about Floating community space in Copenhagen by Arcgency and MAST "makes water an active part of everyday life"
US studio Safdie Architects has released designs for an interconnected set of pavilions in Oklahoma, USA, to serve as a cultural campus for the Cherokee Nation. More about Safdie Architects designs monumental Cherokee Heritage Center in Oklahoma
Italian architecture studio STARTT has used a series of "micro-architectures" to open up a previously inaccessible archaeological site behind the Pantheon in Rome to the public. More about STARTT opens up concealed ruins behind Pantheon in Rome
Architecture studio Snøhetta has completed the renovation of Théâtre Nanterre-Amandiers in France, unifying its performance spaces around a tilted glass hall that overlooks a landscaped plaza. More about Snøhetta transforms Théâtre Nanterre-Amandiers in France into "urban lantern"
A large red roof and patterned red-brick walls were informed by ancient clay ovens discovered on the site of this sports pavilion in Willowdale, Sydney, completed by local studio Sam Crawford Architects. More about Ancient clay ovens inform red-toned sports pavilion by Sam Crawford Architects
British studio Foster + Partners is developing plans to convert an old chapel in Oxford into a restaurant and bar for the Ellison Institute of Technology research campus. More about Foster + Partners plans Oxford chapel conversion for Larry Ellison
A colonnade of whole charred tree trunks supports the roof of Puusauna, a sauna and tea room in Finland designed by architect Jaakko Torvinen. More about Charred tree trunks support sauna on Finnish island by Jaakko Torvinen
Designer Dan Vakhrameyev has created a sleek, multifunctional interior for an aircraft hangar filled with industrial design details for skydiving collective Aerotim in Ukraine. More about Pluskouple designs monochrome aircraft hangar for Ukraine skydiving collective
Danish studio Dorte Mandrup has completed the Wadden Sea World Heritage Centre in the Netherlands, creating a "360-degree experience" overlooking its coastal site in Lauwersoog. More about Dorte Mandrup winds walkway around Wadden Sea World Heritage Centre
UK studio John Puttick Associates has refurbished a group of disused Victorian warehouses in Grimsby to create the Horizon Youth Zone, adding a sawtooth-roofed sports court that nods to the site's industrial past. More about John Puttick Associates transforms listed warehouses in Grimsby into youth centre