Entrepreneur Elon Musk has been given written permission to begin digging a transportation tunnel in Washington DC, which could eventually facilitate a 29-minute journey between the capital and New York City. More
A tunnel formed from bright pink partitions and a giant paper aeroplane are some of the temporary urban interventions to be spotted around Quebec City. More
Elon Musk has revealed a plan for easing city congestion that would see an underground network of tunnels transporting cars on high-speed skates travelling at 130 miles per hour. More
Snøhetta has designed a pair of grand stone arches for the entrance points of a 1.7-kilometre shipping tunnel, which will cut through a peninsula to bypass a particularly dangerous stretch of Norway's coast. More
Bubble-wrap partitions reveal the former layout of a derelict west London hotel as part of an installation by UK artist Michael Iveson (+ slideshow). More
London Design Festival 2015: holes cut out from vertical sheets of coloured acrylic form a tunnel designed to distort perspective across a bridge in the V&A museum (+ slideshow). More
News: architecture firm Gensler wants to repurpose London's abandoned tube tunnels to create a subterranean network of pathways that generate electricity as people walk and cycle through them. More
British architect Simon Astridge has added a leather-lined dressing room as part of a refurbishment of a London house (+ slideshow). More
Japanese architect Kotaro Horiuchi cut out profiles of gabled houses from large sheets of paper to create a tunnel inside a university gallery, forming the third installation in his Fusionner series (+ slideshow). More
A concrete tunnel slices through the base of this Tokyo house by Japanese architect Makiko Tsukada, creating a round hole in the facade that reveals the underside of a staircase (+ slideshow). More
People could immerse themselves in a huge fabric cocoon at this interactive installation by architect and artist Sophia Chang (+ slideshow). More
A mysterious dark tunnel leads into the boardroom of these offices in London by architects Studio Octopi (+ slideshow). More
Fancy taking a Sunday stroll? Take a look at some of the paths and tunnels you could be exploring on our new Pinterest board.
Design practice 24° Studio linked together hundreds of hollow paper stars to line a tunnel and stairway in Santorini, Greece. More
The new Paris store for fashion designer Stella Cadente is a tunnel lined in gold. More
Slideshow: a select number of garments at this fashion store in Osaka are presented inside a white cage-like tunnel. More
Dezeen archive: following our story this week on a public promenade in a disused railway tunnel, here's a roundup of all Dezeen's stories about tunnels. See all the stories »
Italian architects 3S Studio have converted a former railway tunnel between two north Italian towns into an enclosed pedestrian passageway. More
Cavernous holes in the courtyard of three museum buildings in Graz, Austria, lead underground into a new, shared entrance by Spanish architects Nieto Sobejano and local firm eep architekten (photographs by Roland Halbe). More
French studio FREAKS freearchitects have inserted a rectangular timber tunnel inside this Paris cosmetics shop. More