Beijing-based Arch Studio has renovated this house in the city's Dongcheng district, adding a perforated-steel staircase designed to make climbing to the top feel like "walking into the sky". More
A multi-directional black staircase bridges the main entrance space in this converted office building in Belgium (+ slideshow). More
A staircase suspended behind a screen of steel rods and welded shelves features inside this house in Tel Aviv, which architect David Lebenthal designed for himself and his family (+ slideshow). More
French studios Caractère Spécial and Parisian studio NP2F Architectes have expanded the home of a circus arts centre in France's Champagne region and added a curving outdoor staircase (+ slideshow). More
London studio RA Projects has reconfigured and refurbished a house owned by fashion designer Roksanda Ilincic, adding a blue steel staircase in the centre designed to look "like a sculpture in a gallery" (+ slideshow). More
Contemporary design and fabrication processes were used to produce a staircase with "wing-shaped" folded steel treads at the heart of this renovated New York City apartment (+ slideshow). More
London firm Timothy Hatton Architects has added a burnished steel staircase to rug designer Deirdre Dyson's Chelsea carpet gallery as part of a renovation of her studio. More
A concrete staircase with no balustrade ascends through this minimal house in the Valencia region of Spain, which was added to a converted factory containing the headquarters of an outdoor furniture company (+ slideshow). More
Glass walls and simple furnishings are paired with pale surfaces to give this Bloomsbury renovation by London studio Stiff + Trevillion a minimal aesthetic (+ slideshow). More
Tamir Addadi Architecture has converted the loft of a north London house, adding a staircase that also serves as a spacious bookcase (+ slideshow). More
Huge steel beams with I-shaped profiles were stacked to form the framework of this Tokyo house by Mount Fuji Architects Studio, which features a red spiral staircase winding between its floors (+ slideshow). More
This staircase inserted into a terraced house in London features alternating treads that make the most of a tight space, and perforated steel surfaces that allow light to filter through. More
Architect Raúl Sánchez has converted the vaulted basement of a Barcelona house into a subterranean apartment, with rooms separated by a curving pine partition (+ slideshow). More
Yoon Space Design has completed a gallery dedicated to the work of South Korean potter Jung Gil-Young, featuring mirrored walls that help camouflage the building against its countryside setting (+ slideshow). More
Shipping containers are often repurposed to create buildings, and this structure by Tel Aviv studio Potash Architects features one container balanced at a precarious angle (+ slideshow). More
Hidden behind a bookcase in a secret room, a fireman's pole offers a fast escape route from the top floor of this Berlin home by local studio NOWlab (+ slideshow). More
A plywood bar that transitions into a staircase forms the centre of this office and networking hub housed in the Dutch city of Delft's former technology museum (+ slideshow). More
Graduate shows 2015: a pair of Royal College of Art graduates have created a new way to climb trees – strapping steps around the trunk to form a spiral staircase up to out-of-reach branches. More
An amphitheatre-style staircase forms the heart of this adult learning centre in Denmark, which architecture studio CEBRA said was inspired by the "circles and ovals" of Disney characters like Mickey Mouse (+ slideshow). More
Dutch studio Kaan Architecten has added a medical research centre to a Rotterdam hospital, featuring triangular skylights, spiral staircases and a 35-metre-high bookcase (+ movie). More