National Gallery of Australia, Canberra

The National Gallery of Australia is the national art gallery of Australia, holding more than 120,000 works of art. It was established in 1967 by the Australian government as a national public art gallery. The National Gallery building is in the late 20th-century Brutalist style. It is characterized by angular masses and raw concrete surfaces and is surrounded by a series of sculpture gardens planted with Australian native plants and trees.

The geometry of the building is based on a triangle, most obviously manifested for visitors in the coffered ceiling grids and tiles of the principal floor. This geometry flows throughout the building, and is reflected in the triangular stair towers, columns and building elements.

The building is principally constructed of reinforced bush hammered concrete, which was also originally the interior wall surface. More recently, the interior walls have been covered with painted wood, to allow for increased flexibility in the display of artworks.