News: architecture firm Snøhetta has unveiled the design for a new staircase linking the existing San Francisco Museum of Modern Art with the 21,000 square-metre extension currently under construction. More about Snøhetta unveils new staircase for San Francisco Museum of Modern Art
An iron staircase reminiscent of structural trusses connects the two floors of this house in Milan by Italian architects Roberto Murgia and Valentina Ravara (+ slideshow). More about House with an iron staircase by Roberto Murgia and Valentina Ravara
A spiralling stack of chunky wooden blocks forms this staircase designed by architecture studio QC for an apartment in Poland. More about Spiral staircase made from chunky wooden blocks by QC
This spiral staircase conceived by London designer Paul Cocksedge will feature balustrades overflowing with plants and circular spaces where employees can take time out from their work. More about The Living Staircase by Paul Cocksedge
A spiral staircase made from Brazilian ironwood links two floors inside this São Paulo house, which was designed by Brazilian architect Isay Weinfeld as a private gallery and guest house for two art collectors (+ slideshow). More about Casa Cubo by Isay Weinfeld
Dutch Design Week 2013: architecture studio Onix has inserted a wooden staircase inside a medieval Dutch church to provide access to the apex of the bell tower (+ slideshow). More about Toren van Uitwierde staircase by Onix
Architects are increasingly designing staircases that double as seating, allowing office workers to congregate between floors, circulation to be turned into event space and homeowners to curl up with a book on the landing. Here are some of our favourite stair/seating configurations (+ slideshow). More about Special feature: stairs you can sit on
Dezeen and MINI World Tour: architect Alex de Rijke of dRMM talks to Dezeen about his practice's Escher-inspired installation of staircases in this movie filmed outside Tate Modern in London. More about "Sculpture's gift to architecture is the staircase" - Alex de Rijke
London Design Festival 2013: architecture firm dRMM has combined fifteen staircases to create an Escher-style installation outside Tate Modern, ahead of the London Design Festival beginning tomorrow (+ slideshow). More about Endless Stair by dRMM
The latest residence to feature a combined staircase and bookshelf is this loft conversion in north London by British design studio Craft Design. (+ slideshow) More about Loft Space in Camden by Craft Design
Coastal walkers in south-west England can now detour through a historic naval supply yard thanks to this dramatic staircase that cuts through formerly impregnable walls (+ slideshow). More about Coast Path Staircase at Royal William Yard by Gillespie Yunnie Architects
Danish architects 3XN have completed a star-shaped regional headquarters for the United Nations in Copenhagen - but the real star is the spectacular staircase rising through the centre of the atrium (+ slideshow). More about UN City by 3XN
News: architecture firm dRMM will install 20 interlocking wooden staircases outside St Paul's Cathedral for the London Design Festival in September. Update: the Endless Stair will now be constructed outside Tate Modern. More about dRMM to install Escher-style staircase outside St Paul's Cathedral
This concrete staircase into the air by Lisbon architecture studio Ateliermob functions as a riverside amphitheatre on the banks of the Tagus in central Portugal (+ slideshow). More about Rio de Moinhos Open-Air Theatre by Ateliermob
This half-scale model of a spiral staircase by American studio Matter Design is made from concrete treads that slip neatly over each other. More about Helix Staircase by Matter Design
Italian studio Disguincio & Co has produced a concept for a spiral staircase with steps made from folds of fibreglass. More about Folio Staircase by Disguincio & Co
Mysterious flights of stairs float in mid-air or form elevated outdoor walkways in this series of installations by artists Lang/Baumann (+ slideshow). More about Beautiful Steps by Lang/Baumann
Chinese studio Archi-Union has converted an office block in Shanghai into an art gallery with a concrete staircase twisting through its middle (+ slideshow). More about Jade Museum by Archi-Union
Walls of books fold around a wooden staircase in this renovation and extension to a north London home by Hackney studio Platform 5 Architects. More about Book Tower House by Platform 5 Architects
This staircase concept by Canadian architect Andrew McConnell is based on a whale's backbone (+ slideshow). More about Vertebrae Staircase by Andrew McConnell