Dezeen archive: one of our most popular stories this week features a cafe where timber stalactites hang down from an undulating ceiling (top right), so we've compiled a selection of stories from the Dezeen archive about caves and grottoes. See all the stories »
More about Dezeen archive: caves
Stairs lead past lumpy cork-covered walls to a rooftop swimming pool at a house in the south of France by architect Raphaëlle Segond. More about Maison Beauvallon by Raphaëlle Segond
This time last year London company Hulger launched the Plumen 001 designer lightbulb, which went on to win this year's Brit Insurance Design of the Year Award. More about One year ago...
Nine designers including Florian Hauswirth, Kaspar Hamacher and Max Lipsey furnished a grain-silo-turned-art-space in Basel in a five-day experimental workshop. More about Prelude 01: a Dialogue at Depot Basel
Here are some images of the five winning projects at this year's INDEX: Awards, including Hövding, an inflatable bicycle helmet (above). More about INDEX: Award winners 2011
Continuing our special feature about swimming pools, here's a timber pool house with limestone walls beside a farmhouse in Surrey, England.
movie by London photographer Logan MacDougall Pope More about Roundles by H2 Architecture
Dezeen Wire: British architects Broadway Malyan have been appointed to design a 571 metre skyscraper in Istanbul that they claim will become the second tallest in the world when completed.
More about Broadway Malyan to design world’s second tallest tower
This week Luzinterruptus installed an army of radioactive scarecrows at a German festival and we finished the summer by rounding up our top ten stories about swimming pools. More about This week on Dezeen
German studio Winkens Architekten have completed a kindergarten in Berlin that has sheltered terraces at each end. More about Forscherkindergarten Apfelbäumchen by Winkens Architekten
London Design Festival 2011: London designer Dominic Wilcox claims he meant to leave these paint brushes unwashed so they would harden into coat hooks. More about Brush Hooks by Dominic Wilcox
Dezeen Wire: new pictures reveal the interiors of two show apartments at Park Hill in Sheffield, England, a notorious 1960's housing estate which is being overhauled by developers Urban Splash - BBC News
More about "New Park Hill flats in Sheffield unveiled" - BBC News
Tree-like lampposts emerge from a pool of pebbles in front of a metal-clad vehicle research institute in Spain by architects ACXT. More about Instituto de Investigación de Vehículos by ACXT
Dezeen Wire: five winners of the bi-annual Index Awards have been announced at a ceremony in Copenhagen, including See Better to Learn Better by fuseproject, which won the Body category, and Elemental Monterrey by Elemental, winner of the Home category. More about Index Award winners announced
The Dezeen Book of Ideas, a selection of over 100 great ideas by the world's best creative brains, is now available for pre-order! More about Dezeen Book of Ideas available for pre-order
Twisted bricks create openings in the walls of a speakeasy-style bar in Bangkok, allowing passers-by a sneaky glimpse inside. More about Dude Cigar Bar by Studiomake
Students at the Architectural Association in London have constructed leaf-like sculptures that curl down from a fourth-floor roof terrace to a ground level courtyard. More about 3013 Installation at the Architectural Association
London Design Festival 2011: Dezeen are proud to be media partners for designjunction, which will take place at Victoria House Basement, 37 - 63 Southampton Row, London WC1B 4DA from 22 to 25 September as part of the London Design Festival. More about designjunction at the London Design Festival
These fungus-like purses are made of layers of laser-cut silk. More about Blooming Structures by Sivan Royz
A shelving unit displaying children's clothes doubles up as a plywood playhouse with a sliding staircase, swinging doors and removable furniture. More about Pop-Out House by Mut Architecture and Benjamin Mahon
Zaha Hadid's London Aquatics Centre was one of our most popular stories this month, so we've compiled a list of our top ten stories about swimming pools. More about Dezeen's top ten: swimming pools