Some famous places of interest in London The National Gallery in Trafalgar Square, London,houses the national collection of European paintings, British Museum,in comprising more than 2,000 pictures London,is among the oldest of the world's dating from the late great national 13th to the early 20th century. museums. British Museum, in London, is among the oldest of the world's great national museums. The National Gallery in Trafalgar Square, London, houses the national collection of European paintings, comprising more than 2,000 pictures dating from the late 13th to the early 20th century