We've rounded up some of our favourite Christmas trees of the year, including not one but two inspired by the Bauhaus and a Lego dragon in Christmas tree form. More about Ten of the most original Christmas trees of 2019
Next up in our review of 2019, Kristine Klein picks out the 10 most arresting installations on Dezeen, including Banksy's pop-up, pink seesaws slotted between the border wall and a sauna at Burning Man. More about Dezeen's top 10 installations of 2019
Yinka Ilori has rounded off a busy year by designing a stylised Christmas tree for London's Sanderson hotel, featuring his signature colourful and graphic aesthetic. More about Yinka Ilori creates brightly coloured Christmas tree for London hotel
Artist Anne Hardy has decorated the facade of London's Tate Britain gallery to make it look like a temple marooned by rising sea-levels, in a bid to raise awareness about the impact of climate change. More about Anne Hardy transforms Tate Britain into a ghostly Christmas ruin
Icelandic singer Björk worked with creatives from the theatre world who tore up the rule book to create a "delicate" set for her Cornucopia tour. More about Designers of Björk's Cornucopia show "ignored the concert rule book"
New York interior designer Sasha Bikoff has designed furniture that takes cues from looks in Versace's old fashion campaigns for an exhibition in Miami. More about Sasha Bikoff references 1990s Versace campaigns for Design Miami exhibit
The United Nations announced this year that there is just over a decade to limit the effects of global warming. Here are six installations by architects, designers and artists that aim to raise awareness of the climate crisis and influence change. More about Six installations that call attention to the climate-change crisis
Artist and designer Nathalie Du Pasquier has translated her fascination with bricks into a site-specific exhibition comprising seven totem-like sculptures made from stacked bricks glazed in bright colours. More about Nathalie Du Pasquier creates brightly coloured brick sculptures for Mutina
New York designer Daniel Arsham and design gallery Friedman Benda have installed a translucent green box to launch futuristic furnishings at this year's Design Miami. More about Daniel Arsham turns his Design Miami booth into a cabinet of curiosities
German artists Elmgreen and Dragset have installed a sculpture that looks like an U-shaped swimming pool outside the Miami Beach Convention Center. More about Elmgreen and Dragset builds a bent swimming pool in Miami
Argentinian artist Leandro Erlich has created sand-covered sculptures of 66 cars and trucks, which he has arranged to resemble a traffic jam on Miami Beach in a bid to raise awareness of the climate-change crisis. More about Artist Leandro Erlich creates sand-covered traffic jam on Miami beach
With activities kicking off in Miami for this year's art week, including Art Basel and Design Miami, we've selected the exhibitions and installations not-to-be missed, including an inflatable bubble gallery and a sand-covered traffic jam. More about Five installations at Miami art week 2019
Architecture studio Hou de Sousa has built three volumes, constructed rebar and covered in bright cords, to form "gateways, apertures and seating" in front of New York City's Flatiron Building for this holiday season. More about Hou de Sousa wraps rebar in colourful string for installation outside New York's Flatiron Building
Portuguese artists João Pedro Vale and Nuno Alexandre Ferreira have erected a two-storey building inside the MAAT in Lisbon, filled with references to "dissident forms of sexuality". More about House installed inside MAAT gallery to draw parallels between queerness and incarceration
Musician Solange has sent us behind-the-scenes photos of the performance she directed at the Richard Meier-designed Getty Center in Los Angeles. In this interview she tells Dezeen why she's targeted major art museums with her music. More about Solange directs Getty Center performance to be "extension of Richard Meier's architecture"
Turkish artist Refik Anadol has used artificial intelligence to turn millions of photographs of New York into the Machine Hallucination film. More about Refik Anadol uses AI to create mesmerising film of New York City
Eco-Visionaries at London's Royal Academy of Arts looks at how art and architecture can help us respond to environmental change, and is the latest in a line of recent large-scale exhibitions on the theme. More about Eco-Visionaries is the latest exhibition about our destruction of the natural world
Beirut studio T Sakhi redefined the wall as a hub for social connection with its pavilion for Dubai Design Week, which comments on the "resilience" of Lebanese society in the face of current socio-political unrest. More about T Sakhi's Lebanon pavilion uses walls to activate social interaction
MAS Architecture Studio favoured passive ventilation over high-tech solutions in this installation for Dubai Design Week, which reimagines Emirati wind towers using 480 layers of recycled cardboard. More about MAS Architecture Studio's wind tower keeps visitors cool without air-conditioning
The Object is Absent is a multi-strand installation that focuses on the designers' bodies rather than the objects they create, to demonstrate a shift in the priorities for the next generation of makers. More about The Object is Absent is a "less materialistic" design exhibition for an overcrowded world