The Sunday Preview: The five best exhibitions

Drawings from Holkham Hall (National Gallery of Scotland, 031-556 8921, to 28 March). Artists include Bernini, Il Guercino and Poussin.

Roy Lichtenstein (Tate Gallery, Liverpool, 051-709 3223, to 18 April). Intriguing, not entirely convincing retrospective of the veteran Pop artist.

Ruskin and Tuscany (Ruskin Gallery, Sheffield, 0742 735299, to 10 April). Magisterial account of the great Victorian's visits to central Italy.

The Great Age of British Watercolours (Royal Academy, 071-439 7438, to 12 April). Wonderful survey of the medium, from 1750 to 1880.

Four British Artists (Saatchi Collection, 071-624 8299, Fri and Sat only, until summer). Includes Marc Quinn's newly famous self-portrait head made with his own frozen blood.