The National Museum holds, preserves, exhibits, and promotes public knowledge about, Norway's most extensive collections of art, architecture and design. It shows permanent exhibitions of works from its own collections and temporary exhibitions that incorporate works loaned from elsewhere. The Museum's exhibition venues in Oslo are the National Gallery, the Museum of Contemporary Art, the National Museum – Architecture, and the Museum of Decorative Arts and Design. The Museum's programme also includes exhibitions that tour both within and beyond Norway's borders.