Self-taught designer Fernando Abellanas has installed a covert studio beneath a graffiti-covered bridge in the Spanish city of Valencia, making use of the concrete infrastructure to form a roof and walls for the hideaway. More
Clusters of parasitic apartment units cling to the sides of the CN Tower in this conceptual proposal by Toronto studio Quadrangle. More
Mexico City architects Francisco Pardo and Julio Amezcua have added an architectural "prosthesis" on top of a dilapidated brick residence to turn the building into offices and a co-working space. More
Chicago Architecture Biennial 2015: Bangkok studio All(zone) has conceived a small temporary home intended to be set up inside unfinished high-rise buildings in tropical cities (+ movie). More
Architectural designer James Furzer has developed a modular homeless shelter that would hang off the sides of existing buildings, and launched a campaign on crowdfunding platform Indiegogo to finance a prototype. More
These three zinc-cloaked towers form a power plant on the roof of an old beer brewery in Sydney, which will supply energy to a new housing and shopping complex on the site below (+ slideshow). More
Architecture studio Adamo-Faiden has transformed the vacant roof of a 15-storey block in Buenos Aires into a home for a young couple, by installing a glazed pavilion-like structure surrounded by plants (+ slideshow). More
Diagonal strips of timber clad this single-storey addition to a Hampstead apartment block, which also features a rooftop garden that can be used by neighbouring residents (+ slideshow). More
Architects Panos Dragonas and Varvara Christopoulou believe there is no longer anywhere remote enough to build a wilderness hideaway, so have instead proposed a cabin raised above the Athens rooftops. More
London designer James Christian has created a series of architectural parasites intended to occupy empty rooftops, car parks and greens of dilapidated estates across the capital for his residency at the city's Design Museum. More
News: a Chinese businessman who built a house covered by an artificial mountain on top of a 26-storey apartment block in Beijing has been told to remove it or face having it demolished. More
Parasitic dwellings for homeless people would cling to the sides of lamp posts in this concept by British architecture graduate Milo Ayden De Luca (+ slideshow + movie). More
French architects Opus 5 have built a concert hall on top of a former seventeenth century convent in northern France (+ slideshow). More
Dezeen archive: we've noticed a lot of parasitic architecture so here's a selection of buildings on Dezeen that sit, lean or cling on to others. See all the stories »
This pop-up restaurant has been touring Europe rooftops since last April and is currently perched on top of the Royal Festival Hall in London. More
A white concrete extension flows over the top of a former brewery in Zurich to give Swiss arts organisation the Kunsthalle Zürich its first permanent home. More
Designed in Hackney: today's featured designers in our London borough of Hackney showcase are Archer Architects, who inserted a Corten steel-clad hotel behind the facade of a derelict pub in Shoreditch. More
The two storeys that London architects Project Orange have added to the roof of a redundant brick warehouse in Sheffield look like another building stacked on top. More
Brooklyn artist Mark Reigelman and San Francisco architect Jenny Chapman have installed a wooden hut in an unusual city location – suspended on the side of a San Francisco hotel like a bird box. More
A boat-like structure temporarily anchored to the roof of London’s Southbank Centre is in fact a rentable one-bedroom apartment by London architect David Kohn and artist Fiona Banner. More