BIG, Safdie Architects, and Ateliers Jean Nouvel are behind a slate of completed and in-progress housing projects across the South American city.

The Arkansas art museum, first built by the firm in 2011, will increase in size both inside and out.

In Singapore, designers reinvent the airport experience with deft engineering, unusual geometry, and a vast indoor garden.

The $1.26 billion development, which opens to the public today, combines retail, restaurants, entertainment venues, and lush gardens under a vast toroidal glass roof.

Developed for the 1967 World’s Fair in Montreal, this utopian modular-housing system married urban density with the spaciousness and individuality of suburban houses.