As conservation group Twentieth Century Society launches a campaign to save the UK's under-threat leisure centres, we look at 10 of the country's most architecturally significant facilities. More
For this year's London Design Festival, designer Sabine Marcelis has installed several rotating chairs made with stones from Dutch material brand SolidNature to help visitors interact with each other. More
Norwegian architecture studios ACT! Studio and Borhaven Arkitekter have created the Bademaschinen floating sauna in Oslo harbour. More
Japanese studio Ryuichi Sasaki Architecture has completed a mixed-use development in Tokyo comprising a community performance space and apartments housed in angular concrete volumes. More
Australian studio Hassell has concealed an exhibition space for the Jodrell Bank Observatory in Cheshire, England, beneath a grass-topped dome informed by the site's iconic Lovell Telescope. More
Czech studio Chybik + Kristof has completed a pop-up marketplace in Prague with a modular structure of pastel-blue scaffolding that can be easily modified or relocated. More
American artist Maya Lin has revealed a design for a spherical water fountain that will be installed in the Obama Presidential Center, a cultural complex in Chicago celebrating Barack Obama's presidency. More
Architecture studio Snøhetta has revealed the design for a skyscraper in Tokyo, named Shibuya Upper West Project, which is intended to be "a sanctuary of peace and relaxation in the bustle of the city". More
Wooden slats wrap around indoor and outdoor gathering spaces for an angular pavilion in Winnipeg's Crescent Drive Park that can be "submerged without decay" during floods. More
Repurposed materials and decadent accents come together in this Buenos Aires restaurant and bar that fits within a historic house overhauled by local studio Hitzig Militello Architects. More
Swiss designer Fabien Roy has created a temporary circular installation made from spruce wood in the middle of the Swiss countryside for the cycling race Tour de France. More
Cross-laminated timber and volcanic stone were used to form a round building along a lake that was designed by Mexican studio Sordo Madaleno Arquitectos. More
Wheeler Kearns Architects has completed a multipurpose greenhouse for an organic farm in Michigan to host meals and events, grow produce and host classes. More
Victorian terrariums informed the design of the Glasshouse, a sculptural and kinetic greenhouse that Thomas Heatherwick's studio has created on the historic Woolbeding Estate in England. More
Mexican studio Quintanilla Arquitectos has created the Cárdenas sports complex and skate park in the town of Cañales, which contains a pair of sports courts covered by a concrete structure. More
British architecture studio Stufish's hexagonal ABBA Arena in east London has opened as the venue for Swedish pop group ABBA's virtual reunion tour. More
Architecture firm LOHA used "material layering" to create a light-filled workspace in California for photographers, videographers and other creatives involved in brand imaging for sportswear brand Nike. More
Global firm Henning Larsen Architects prioritised openness and connectivity to create a Minnesota government building that is part of a "new coalition of civic architecture across the United States". More
The Art Gallery of New South Wales in Sydney has revealed images of its extension designed by Pritzker Architecture Prize-winning architecture studio SANAA under construction ahead of its opening in December. More
Low-lit bathrooms informed by dressing rooms and a stage-kitchen-like restaurant feature in a members' club at iconic music venue Koko, which pays homage to its theatrical past. More