The arches of the Great Hall inside Washington DC's National Building Museum currently host 60 models of conceptual and completed buildings, for BIG's first ever exhibition in North America (+ slideshow). More about BIG's Hot to Cold exhibition opens at the National Building Museum
Shoppers are encouraged to get hot under the collar while perusing the erotic products on offer at this Munich sex shop, with a curvaceous interior by New York designer Karim Rashid (+ slideshow). More about Karim Rashid's sex shop interior "satisfies primal desire"
Dutch artist Maarten Baas will be the first resident of this studio with a spiral staircase, created by interior architects i29 on top of the De Bijenkorf department store in Amsterdam (+ slideshow). More about i29's wooden wall turns historic department store tower into artists' residence
A ribbon of pale wood wraps the interior of this split-level flat renovated by architect Carl Trenfield, encompassing kitchen units, storage cupboards and a staircase. More about Carl Trenfield adds perforated timber around the rooms and stairs of a London home
Porto studio Fala Atelier has overhauled the layout of a cramped flat in Lisbon, adding sliding doors that connect each room to a central living area and small balcony. More about Fala Atelier guts Lisbon apartment to create bright open-plan home
Australian architect Louise Nettleton has shoehorned a coffee shop for comic-book lovers into a narrow gully formerly used as a driveway, near Sydney's Central Station (+ slideshow). More about Louise Nettleton converts Sydney driveway into a comic-themed cafe
Italian design brand Driade has officially opened its new Milan showroom by David Chipperfield Architects – one of the British architect's first projects as the company's artistic director (+ slideshow). More about David Chipperfield kicks off Driade role with Milan showroom interior
A rainforest populated with orangutans, a giant chess board and floating jellyfish are sculpted from the snow and ice used to create the rooms inside this year's Icehotel in Jukkasjärvi, Sweden (+ slideshow). More about Icehotel's 25th edition includes a square vortex suite
Architects João Quintela and Tim Simon have built a pavilion inside a climbing centre in Lisbon, providing a cafe and reception space that visitors can also scramble over (+ slideshow). More about Visitors to Lisbon's Vertigo Climbing Center can clamber on the cafe
French design studio Constance Guisset has created a homely interior for the lobby of the Accor hotel group's Suite Novotel in The Hague (+ slideshow). More about Constance Guisset's furniture and lighting populates Novotel hotel lobby
An electric sports car has its parking space in the shiny white living room of this former carpenter's workshop in the Netherlands, which Studio OxL has converted into a home (+ slideshow). More about Studio OxL converts a carpenter's workshop into a live-in garage
OEO Studio has used the wooden planks produced by Dinesen to create furniture and structures within the brand's new flagship showroom in Copenhagen (+ movie). More about OEO Studio creates a showroom of two halves for wooden plank manufacturer
Curving walls rise from opposing directions to form an aisle through the centre of this wedding planner's office in Japan by Ryo Matsui Architects (+ slideshow). More about Curving walls create arched avenue through wedding planning venue by Ryo Matsui Architects
Oriented strand board panels can slide back and forth to create a flexible floor plan whilst concealing utilities in this family apartment remodelled for a single inhabitant in Madrid by TallerDE2 Architects (+ movie). More about TallerDE2 Architects uses engineered wood to create adaptable Madrid apartment
Young Japanese architect Cohta Asano created a new space for a hairdresser inside an existing building in Iwaki, adding a steel frame to support angular wooden shelves and partitions (+ slideshow). More about Cohta Asano divides Japanese hair salon with diamond-shaped partitions
A Suffolk house designed by Michael and Patty Hopkins in the 1970s has been overhauled by London studio Project Orange to create "a doughnut of living space" with a conservatory at its centre (+ slideshow). More about Project Orange reconfigures interior of Hopkins' Tracey House
A 64-metre-long wooden structure was designed by Threefold Architects to create secluded workspaces, staircases and informal meeting areas inside this shared office building in south-east London. More about Multi-level wooden structure frames meeting areas in London office by Threefold Architects
A plywood staircase with built-in cupboards and bookshelves frames a doorway in this Madrid apartment – which follows the London home with a combined bookshelf and staircase we published yesterday. More about Plywood staircase by Buj+Colón Arquitectos integrates shelves and cupboards for a small flat
Books can be stored beneath the wide steps of this staircase, designed by Zminkowska De Boise Architects to connect the two halves of a split-level living room inside a renovated London flat. More about Zminkowska De Boise inserts combined bookshelf-staircase into London flat
We published hundreds of projects from all over the world in 2014 – from tiny apartments to technology firm offices, cafes and luxury penthouses – but these are the 10 interiors that proved most popular with Dezeen readers. More about Dezeen's most popular interior design projects of 2014