South Korean firm Mass Studies has developed a system of five concrete modules for building South Korea's answer to California's Silicon Valley, starting with this flexible headquarters building for internet company Daum (+ slideshow). More »

Workspaces are gathered in islands of red, blue, orange or green throughout this office in Delft by Dutch interior architects i29. More »

German practice J. Mayer H. has replaced the gridded facade of a 1950s office building with organically curved glass and white render. More »

World Architecture Festival 2012: in this movie, Australian architect Jeff Morehen of Francis-Jones Morehen Thorp tells Dezeen editor-in-chief Marcus Fairs how the workplaces of the future should be "more hybrid in their nature" and accommodate public facilities, just like his Darling Quarter offices in Sydney that won the office category at the World Architecture Festival this month. More »

The deep-framed windows of this office building by French studio Chartier-Corbasson Architectes burst through mossy walls and piles of stone beside a 100-year old mansion in Amiens. More »

Towering steel mushrooms create a layered canopy over the roof of this glazed office block in Tbilisi, Georgia, by Italian architects Massimiliano and Doriana Fuksas (+ slideshow). More »

News: Foster + Partners has won a competition to design a 200-metre skyscraper for collapsed investment bank Lehman Brothers Holdings and partner L&L Holding Company on Park Avenue in New York. More »

Spanish design studio Masquespacio have turned a dilapidated Valencia art gallery into an office for a law firm, featuring clusters of empty picture frames on the walls (+ slideshow). More »

Russian studio Za Bor Architects have furnished the new St. Petersburg offices of internet company Yandex like the desktop of a computer, with pixellated backgrounds and huge icons (+ slideshow). More »

Dezeen Wire: architect Frank Gehry (pictured above, left) is designing the new campus for social media giant Facebook, which claims it will be the largest open-plan office in the world. More »

The entrance lobby at AOL's Palo Alto headquarters looks like a skate park (+ slideshow). More »

These offices for the Dutch Football Association in Zeist by interior designers Hollandse Nieuwe are concealed behind the classical facade of a reconstructed mansion (+ slideshow). More »

This renovated office in China by Vector Architects features plant-covered walls and a bright orange glass meeting room (+ slideshow). More »

Google's new London headquarters by designers PENSON features Union Jack flags, balcony gardens and allotments where staff can grow vegetables (+ slideshow). More »