Bedrooms, bars and bathrooms are hidden in plain sight behind concealed wall panels and operable bookshelves in our most recent lookbook, which features secret rooms. More about Seven interiors where doors and panels hide secret rooms
Nikki Alagha is introducing a circular mirror that doubles as storage as part of the VDF x Ventura Projects collaboration. More about Nikki Alagha's Arc Mirror conceals secret storage space
A derelict house in London that had tunnels dug under it by the infamous Mole Man has been restored and adapted by architect David Adjaye for the artist Sue Webster. More about David Adjaye renovates Mole House undermined by illegal secret tunnels
Architecture practice Thomas-McBrien extended a London house, adding a oak-lined reading nook and a utility room hidden behind a secret door along with a kitchen and dining space. More about Reading nook and a hidden room added in London house extension
Local studio Heliotrope Architects has designed an upscale Italian eatery in downtown Seattle with clean lines, various tones of wood and a secret room tucked behind a one-way mirror. More about Heliotrope Architects creates secret room inside Seattle’s Cortina restaurant
Bangkok architecture studio Archismith has built a garden enclosed by 20,000 glass bricks as part of a sales office for a residential development in Bangkok, Thailand. More about Archismith creates secret garden within The Glass Fortress
Andreia Garcia Architectural Affairs and Diogo Aguiar Studio have hidden a bathroom, bed and kitchen within the walls of this timber-clad holiday home in Guimarães, Portugal. More about Timber walls disguise secret spaces within tiny Pavilion House in Portugal
A bright blue wall and a giant window-side bath tub feature in this converted attic apartment by Gon Architects, in the Conde Duque district of Madrid. More about Secret rooms are accessed through a bath tub in G House by Gon Architects
A swinging door at the back of a ramen restaurant in Brooklyn's Greenpoint neighbourhood reveals a tiny Japanese-style speakeasy, designed by architect Arnold Cheung. More about The Hidden Pearl is a tiny bar tucked behind a Brooklyn ramen shop
A light-toned coffee and pastry shop in Manhattan's NoMad district provides a front for a secret subterranean bar behind, both with interiors by Carpenter + Mason. More about New York's Patent acts as cafe by day and speakeasy by night
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 about Fernando Abellanas hangs secret studio under a bridge in Valencia
Munich architecture firm IFUB has converted the ground floor of a Berlin factory into an open-plan office with a wall of hidden cupboards and rooms (+ slideshow). More about IFUB transforms former chocolate factory into office with secret storage
A book-lined room is concealed behind secret doors in this 17th-century barn conversion carried out by Studio Seilern Architects at an estate in Oxfordshire, England (+ slideshow). More about Studio Seilern hides secret library at the heart of converted English barn
Chilean architects Guillermo Hevia García and Nicolás Urzúa have created a concealed garden fenced in by distorting mirrors for the Santiago edition of MoMA's Young Architects Program (+ movie). More about Distorting mirrors frame a secret garden in Santiago's Parque Araucano
A facade resembling a Thai grocery stall disguises this restaurant in Hong Kong, which local firm NC Design & Architecture designed to look like a film set (+ slideshow). More about NC Design & Architecture hides Hong Kong restaurant behind grocery stall
Strips of LED lights designed to look like laser beams mark the pathways inside this clinic in Serbia, recently completed by local firm Fluid:Architecture (+ slideshow). More about Fluid:Architecture conceals treatment rooms behind secret doors inside Serbian clinic
Anne Rolland Architecte has transformed a ground-floor space in a 17th-century Parisian townhouse into a studio apartment with a secret underground room. More about Studio apartment in Paris by Anne Rolland Architecte has a hidden converted slurry pit
This Hong Kong speakeasy by NC Design & Architecture is disguised as an umbrella shop, and is accessed via a secret doorway towards the back of the boutique (+ slideshow). More about Foxglove speakeasy by NC Design & Architecture is hidden behind an umbrella shop
A bookshelf slides back to reveal a secret study inside this loft, renovated by architect Alexander Martin for an Arts and Crafts-style house in London's Hampstead. More about Hampstead loft conversion by Alexander Martin features "a new twist on the hidden library door"
The resident of a compact apartment in Madrid demonstrates how she can rearrange walls and pull furniture out of the ceiling in this movie by photographer and filmmaker Miguel de Guzmán. More about Day-in-the-life movie follows the resident of an apartment with moving walls and secret furniture