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
A glazed ramp spirals around a courtyard at the centre of this house in the Portuguese town of Estoril, connecting the various living spaces and a garden roof terrace. More
Parisian studio Karawitz has completed a housing block overlooking the Ourcq canal, which features balconies framed by light-grey boxes and an external corkscrew staircase. 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
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
This McDonald's restaurant featuring a perforated golden facade and a grand spiral staircase was designed by Dutch firm Mei Architects to replace "the ugliest building in Rotterdam" (+ slideshow). More
Bored with the dismal view from the office window, Polish studio Zalewski Architecture envisioned a grassy suspended walkway that would allow them to take a stroll without leaving the building. More
A metal staircase twists though a triangular well in one corner of this six-sided timber cabin by ALT Architekti, which is raised on stilts over a hillside in Central Bohemia (+ slideshow). More
Two curving staircases encircle the exterior of this wedding chapel by Tokyo-based architect Hiroshi Nakamura, meeting at a rooftop platform that overlooks the Hiroshima coastline (+ slideshow). More
A spiral staircase rises through the trough-shaped floors of this concrete residence in Japan by local studio Takeshi Hosaka Architects (+ slideshow). More
Norwegian architect Tron Meyer has designed a spiral staircase made entirely from laminated wood carved into curving steps that optimise the space for walking on (+ slideshow). More
Stairs and bookshelves wrap around a triple-height atrium inside this university library, which Danish architecture studio Adept describes as a "spiral of knowledge" (+ slideshow). More
A spiralling staircase with a stripy central balustrade unites the refurbished spaces of this city hall in the French commune of Le Pré Saint-Gervais by Paris firm Zoomfactor Architectes. 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
Movie: in our next exclusive video interview from Inside Festival, interior designer Joyce Wang discusses the custom-made fittings and furniture she designed for Ammo bar and restaurant in Hong Kong. More
News: Dutch architects Mecanoo have won a competition to design a garden and an underground pavilion with a corkscrew staircase in the Polish capital, Warsaw (+ slideshow). More
A spiralling stack of chunky wooden blocks forms this staircase designed by architecture studio QC for an apartment in Poland. More
Japanese firm Avehideshi Architects and Associates have completed this house in Osaka, Japan, with a staircase that wraps around the house's internal perimeter. More