A concrete staircase spirals between the austere concrete floors of this house designed by Kazunori Fujimoto Architect & Associates for a seaside spot in Japan's Hiroshima Prefecture. More about Chunky concrete staircase spirals through House in Akitsu by Kazunori Fujimoto
Cracks in the concrete facade of this office block in Aarhus by Danish architecture practice Sleth provide glimpses of the building's illuminated interior. More about Danish office block by Sleth features cracked concrete facade and external stairs
A white metal-framed staircase connects the two floors of this Parisian apartment, which local studio Les Ateliers Tristan & Sagitta has overhauled to make room for the clients' two young children. More about Paris apartment updated with slender white staircase and dark green kitchen
Italian design studio AIM has renovated a home in Milan to add storage in the walls and a disguised central staircase. More about Milan home renovation hides stairwell and floor-to-ceiling cupboards
A solid timber staircase is suspended from one side of a huge double-storey bookcase inside this sales office located on the outskirts of Shanghai. More about Giant bookcase forms centrepiece of Shanghai sales office by Team_Bldg
Quebec firm Atelier Pierre Thibault has overhauled a home built in the 1970s, removing interior partitions and locating a sculptural plywood staircase at its core. More about Atelier Pierre Thibault reorganises Quebec home around central plywood stairs
A staircase surrounded by vertical white ribs sits at the centre of tech company Square's offices in New York, by interior designer Magdalena Keck. More about White staircase cuts through Square's New York office by Magdalena Keck
Canadian studio Naturehumaine has transformed a 1930s brick building into a contemporary home featuring a sculptural stairway that brings a "vibrant tone to the project". More about Naturehumaine adds sculptural black and yellow staircase to historic Montreal home
To encourage Bloomberg's Hong Kong employees to interact more, architecture studio Neri&Hu has given them a staircase with generous landings, seating areas and strategically positioned windows. More about Neri&Hu creates "stair of encounters" inside Bloomberg's Hong Kong office
Theatrical lighting illuminates products inside the new black and gold Dolce & Gabbana store in Tokyo by French designer Gwenael Nicolas. More about Golden staircase sits at the centre of Curiosity's dramatic Dolce & Gabbana Aoyama store
Binario Architectes has used Corten steel, concrete and wood to create a series of new additions to the Villers Abbey in Belgium, including a visitor centre and an elevated pathway (+ slideshow). More about Elevated walkway and visitor centre added to 12th-century abbey ruins by Binario Architectes
British designer Thomas Heatherwick has revealed a honeycomb-like structure comprising a series of interconnected staircases to sit at the centre of the vast Hudson Yards development on Manhattan's West Side. More about Heatherwick unveils staircase structure as "centrepiece" for New York's Hudson Yards
This Ukrainian house by Azovskiy & Pahomova Architects features a staircase with cantilevered wooden treads, as well as a hay-bale seating area and glass-fronted shower in the living room (+ slideshow). More about Heat 360 house features living-room shower and cantilevered stairs
A cream-painted staircase connects the four floors of this London mews house, which has been renovated by architecture studio Alma-nac to create more light and space (+ slideshow). More about Cornwall Mews renovation by Alma-nac centres around a cream staircase
New York architect Toshiko Mori has renovated and extended a building originally designed by famed Modernist architect Marcel Breuer as a personal residence, connecting two structures with a glass-enclosed staircase (+ slideshow). More about Toshiko Mori expands Marcel Breuer-designed residence with glazed addition
London studio 51 Architecture has combined digital fabrication with boatbuilding techniques to create a sculptural timber staircase at the centre of a family home (+ slideshow). More about Twisted staircase features in Casa Vota renovation by 51 Architecture
An aluminium foam staircase doglegs up the centre of Italian jewellery brand Repossi's flagship store, designed by Dutch architecture firm OMA on Paris' exclusive Place Vendôme (+ slideshow). More about OMA uses coloured mirrors and aluminium foam for Repossi Vendôme store interior
A fluorescent orange staircase spirals up through the centre of this house that architect Martin Dulanto has completed in Lima, Peru (+ slideshow). More about Martin Dulanto installs vibrant orange staircase inside Peruvian house Casa Blanca
Kyoto studio Alphaville has squeezed an angular concrete apartment building onto a small plot in the Japanese city of Hikone (+ slideshow). More about Alphaville's Hikone Studio Apartments are housed in an angular concrete block
The brick facade of this mixed-use building in the Iranian city of Hamedan merges with a wave-like roof that the public is invited to sit, walk or play on (+ slideshow). More about Undulating brick building in Iran encourages public to walk on its roof