Japanese houses come in all shapes and sizes, but privacy is always a big concern. Here are 10 that offer their residents complete seclusion, from an angular concrete bunker to a seemingly windowless box. More
An eight-piece collection of furniture by designer Remko Verhaagen is part of an initiative to rehabilitate disused war bunkers along the Dutch coast to use as holiday homes and artist retreats. More
Lebanese architect Bernard Khoury has refurbished Beirut's underground bunker nightclub B018, adding spine-shaped lamps that double as dancing poles. More
South Korean studio CoRe Architects has transformed a former military bunker in Seoul into the Peace and the Culture Bunker, a creative hub for the local community. More
Design Academy Eindhoven graduate Alice Bleton has designed a rooftop capsule to give city-dwellers a temporary retreat from their congested environment. More
Danish firm BIG has built an "invisible museum" in Blåvand, Denmark, by cutting linear passageways out of the sand dune beside a bunker built by German forces during the second world war. More
An Arctic storage bunker filled with seeds that could help humankind regenerate crops after a doomsday scenario is undergoing repairs, after rising temperatures caused it to flood. More
These mounds in the landscape of South Dakota are formed by hundreds of concrete military bunkers, which are being repurposed to create the world's "largest survival shelter community". More
Powerhouse Company has revealed its plans to convert a brutalist bunker in Eindhoven into high-rise housing. More
Four micro homes are mounted on the roof of a second-world-war bunker in this proposal by Froscen Architects for the Dutch city Leiden (+ slideshow). More
Photo essay: 70 years after the second world war ended, there are still over 6,000 defensive structures along Britain's coastline. Photographer Richard Brine has been documenting them (+ slideshow). More
Swiss studio Bureau A has concealed a wooden cabin inside an artificial rock and transported it to a remote site in the Swiss Alps. More
Belgian studio B-ILD has converted a wartime bunker into an austere holiday home where guests sleep beside raw concrete walls and home comforts are reduced to the bare essentials (+ slideshow). More
This concrete Second World War bunker in Hamburg has been converted into a renewable energy plant and visitor centre by urban development company IBA Hamburg (+ slideshow). More
This movie shows how a redundant Second World War bunker in the Netherlands was turned into a sculptural visitor attraction by slicing it down the middle to reveal its insides. More
This house in western England by London studio Paul Archer Design features a mirrored facade that slides across to cover the windows (+ slideshow). More
A home and studio for a photographer are contained inside this Corten steel bunker that Undercurrent Architects has squeezed beside and beneath the arch of a railway viaduct in south London. More
Wooden shutters fold, tilt and slide open to let in the sun and keep out the burglars at this weekend cabin in New Zealand by architects Crosson Clarke Carnachan (+ slideshow). More
Climbers in the Alps can now spend their nights sleeping in a tube that cantilevers over the edge of a mountain. More
Continuing our series of stories about security-conscious and bunker-like residences, here's an Australian holiday home that can be secured with huge sliding steel shutters. More