A precast staircase is one of several concrete elements that Mexican studio Warm Architects has added through the interior and exterior of this house in Cancún, Mexico (+ slideshow). More
Lengths of reclaimed timber envelop the grand staircase that Melbourne office March Studio has created at the entrance to Hotel Hotel in Canberra, Australia (+ slideshow). More
A national park in the Netherlands is the setting for this old water tower, which Dutch firm Zecc Architecten has transformed into an observation point by twisting staircases through its middle (+ slideshow). More
A spiralling concrete staircase connects the 12 platforms that make up this split-level house in San Pedro de la Paz, Chile, by Chilean firm Pezo von Ellrichshausen (photos by Cristobal Palma + slideshow). More
This office and workshop for a theatre designer in Osaka was designed by Japanese studio Mattch to look like a glazed box hovering between two solid curtains (+ slideshow). More
London studio Haptic references eroded granite rock formations commonly found around the Norwegian coastline with the curving form of this layered timber staircase, created for an office interior in Oslo. More
A suspended steel staircase is completed by a piece of wooden furniture in this renovated Oslo loft by London studio Haptic (+ slideshow). More
This conceptual design for a family home by postgraduate architecture student Gonzalo Vaíllo Martínez features a fluid structural frame, a skeletal staircase and a skin incorporating blinds that open and close like gills (+ movie). More
A spiral of wooden strips surrounds a staircase in the restaurant of this Strasbourg hotel, designed inside a former equestrian academy by Paris studio Agence Jouin Manku (+ slideshow). More
A dramatic oak staircase with a sweeping handrail connects the five storeys of this Victorian convent building in south London, which has been converted into four homes by John Smart Architects (+ slideshow). More
Residents climb over an integrated desk, storage space and shelving to reach the suspended upper section of this staircase by Dutch design studio Mieke Meijer. More
This Berlin townhouse by architecture office XTH-Berlin features doors that open like drawbridges, sloping floors that function as slides and nets that cover holes in the floors (+ slideshow). More
An orange staircase zigzags back and forth across the atrium of this science faculty building that Canadian firm Saucier + Perrotte Architectes has completed for a Quebec college (+ slideshow). More
Dutch firm 8A Architecten has modernised a small labourer's house in Leiden by adding a large oak structure that incorporates a staircase, storage facilities and sofa (+ slideshow). More
This hilltop staircase by Dutch firm NEXT Architects appears to create a continuous pathway, but it's actually impossible to walk round more than once without climbing off (+ slideshow). More
The central staircase inside this office in Mexico City by architecture studio Goko is made up of different sections, including some that look like they are upside down. More
An angular wooden staircase ascends the lobby of this office renovation in the Dutch town of Hoofddorp by Amsterdam architects Studioninedots (+ slideshow). More
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
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
A spiralling stack of chunky wooden blocks forms this staircase designed by architecture studio QC for an apartment in Poland. More