With 54,600 square meters of floor space and a collection of over 400,000 works, this is the largest art museum in the Nordic region. Officially named National Museum of Art, Design and Architecture, the building is a fruit of the fusion, in 2003, of the National Gallery, the Norwegian Museum of Decorative Arts and Design, the Museum of Contemporary Art, and the National Museum of Architecture.

A total of 86 halls laid out in two floors harbors the museum’s permanent exhibition. The store is placed in a 19th-century construction. Clad on the outside with slate, the complex is crowned with a space for temporary shows whose enclosure presents panels of marble and translucent glass. Illuminated at night, it looks like a lamp.