National Museum Cardiff is a museum and art gallery in Cardiff, Wales. It is part of the Edwardian civic complex of Cathays Park, which includes the City Hall, Law Courts, Cardiff University and Cathays Park Building. The museum was designed by architects Arnold Dunbar Smith & Cecil Brewer in 1912. Because of the First World War the National Museum was not open to public until 1927. You can find art from pre-18th century until the present and works by all of the notable Welsh artists. The museum is open from 10 am till 5 pm and on Tuesday till Sunday.