Graduate shows 2016: the UK's high-speed railway network could incorporate an underground swimming pool, museum and concert hall, suggests Royal College of Art graduate Ciaran Scannell. More about Ciaran Scannell proposes "fantastical world" in London's HS2 railway tunnels
A book-lined room is concealed behind secret doors in this 17th-century barn conversion carried out by Studio Seilern Architects at an estate in Oxfordshire, England (+ slideshow). More about Studio Seilern hides secret library at the heart of converted English barn
German designer Konstantin Grcic has created a utilitarian flat-pack office system for Vitra featuring desks that can be turned into sofas (+ slideshow). More about Vitra launches adaptable Hack desk by Konstantin Grcic
When designing the interior for a newly built apartment in Copenhagen, Studio David Thulstrup used over 300 antiques and bespoke elements to "avoid the usual collection of Scandinavian classics" (+ slideshow). More about Studio David Thulstrup brings international flavour to Scandinavian apartment
Graduate shows 2016: Bartlett graduate Louise Bjørnskov Schmidt has proposed an ecological education facility that circles a lake within a Panama rainforest (+ slideshow). More about Louise Bjørnskov Schmidt designs rainforest complex to promote eco awareness in Panama
Graduate shows 2016: this prototype tool by Royal College of Art graduate George Philip Wright can transform users' voices into drums, guitars and other musical instruments (+movie). More about George Philip Wright's Vochlea gadget transforms human voice into instruments
Our latest Pinterest board collects together the most popular saunas from the pages of Dezeen, including a cavernous steam room built to emulate the form of a seaside grotto, an industrial-looking structure in Gothenburg and a wooden design that staggers up over Norway's rocky terrain.
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More about Get hot under the collar with Dezeen's new Pinterest board full of steamy saunas