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 about Intertwining staircases spiral around the glazed core of Hiroshi Nakamura's Ribbon Chapel
A spiral staircase rises through the trough-shaped floors of this concrete residence in Japan by local studio Takeshi Hosaka Architects (+ slideshow). More about Spiral stairs puncture hilly floors inside Takeshi Hosaka's House in Byobugaura
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 about Risa spiral staircase by Tron Meyer features fanning timber steps
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 about Zoomfactor Architectes updates a city hall with a spiralling staircase
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 about Concrete staircase spirals up through Pezo von Ellrichshausen's Casa Gago
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 about Hong Kong museum restaurant by Joyce Wang features "spiral staircase" chandeliers
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 about Mecanoo designs a pavilion with a spiral staircase underneath a garden in Warsaw
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
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 about Small House with Big Spiral Staircase by Avehideshi Architects