High Watermark – the Royal Institute of Painters in Water Colours and the Royal Watercolour Society join forces to promote the best of British watercolours and fresh work in water-soluble media. Organised in association with Bankside Gallery, at Mall Galleries, The Mall, London SW1 from 16 to 20 Aug. www.mallgalleries.org.uk

Splendour & Power: Imperial Treasures from Vienna. An incredible array of jewellery, vessels and other curiosities from the Imperial Treasury in Vienna. This is the first time this remarkable collection has ever been displayed in the UK. At The Fitzwilliam Museum, Trumpington Street, Cambridge CB2 1RB from 16 Aug to 8 Jan. www.fitzmuseum.cam.ac.uk

Display by Don McCullin, internationally known as one of the greatest war photographers, showing a broader and more diverse aspect of his documentary photography, including his depictions of the homeless in East London, a divided post-war Berlin in the 1960s and his landscapes, ranging from urban to rural scenes. At Tate Britain, 20 John Islip Street, London SW1 from 15 August – 4 March 2011. +44(0) 20 7887 4906

Following on from the Summer Collection, which runs throughout August, the newly launched Permanent Collection includes work by RA Academicians Sir Peter Blake, Tom Phillips and Chris Orr, as well as Eileen Cooper, Norman Ackroyd, Bill Jacklin and Brad Faine. At the Brook Gallery, Fore Street, Budleigh Salterton, Devon from 16 Aug to 2 Sep. Prof Chris Orr RA will give a talk “Orr on Art” at 3pm on 18 Aug at the Brook Gallery. 01395 443003

Sir Peter Blake – the latest limited edition of his signed silkscreen prints shown alongside iconic signed silkscreen prints from recent decades at Coombe Gallery, Dartmouth until 10 Sep. 07779 996278

Two States – two new pieces of work by sculptor Antony Gormley unveiled in the Terrace Gallery at Harewood House, Yorkshire and on show until 30 Oct. A short film will accompany the exhibition. www.harewood.org

CLOSING SOON

Not the Royal Academy – the best of this year’s work submitted to the RA for its Summer Exhibition, but not chosen to be hung there. At Llewellyn Alexander, 124-6 The Cut, Waterloo, London SE1 from 7 Jun to 20 Aug. www.LlewellynAlexander.com

Watercolour – a fresh assessment of the history of watercolour painting in Britain from its emergence in the Middle Ages to the present day, showing around 200 works including pieces by William Blake, Thomas Girtin and JMW Turner, through to modern and contemporary artists including Patrick Heron, Peter Doig and Tracey Emin, at Tate Britain, Linbury Galleries, Millbank, London from 16 Feb to 21 Aug. www.tate.org.uk

James Stirling: Notes from the Archive
– an exhibition of selected material from the rich archive of the renowned architect and Pritzker Prize laureate. At Tate Britain, Millbank, London from 5 Apr to 21 Aug. www.tate.org.uk

The Minimal Gesture – works by a group of cross-generational artists working in the wake of abstract expressionism – Markus Amm, Hans Hartung, Jonathan Lasker, Agnes Martin, Peter Peri, Robert Ryman, Sean Scully, Rudolf Stingel, Terry Winters, Christopher Wool – at Timothy Taylor Gallery, 15 Carlos Place, London W1 to 20 Aug. 020 7409 3344

Glimpses of Coughton
– a collection of illustrations by local illustrator Shelly Perkins featuring wildlife, flora and fauna from the National Trust’s Coughton Court estate and surrounding area – at Coughton Court, Alcester, Warwickshire until 26 Aug. www.nationaltrust.org.uk/main/w-coughtoncourt

Modern & Contemporary British Art: a selling exhibition
of 60 works by 40 artists, including Elizabeth Blackadder RA, Maurice Cockrill RA, Cecil Collins RA, Adrian Daintrey, Elisabeth Frink RA, Ceri House, Patrick Hughes, Neil MacPherson, Bernard Meninsky, Dick Negus, William Nicholson, Eric Rimmington, Susan Rosenberg, Alex Saunderson, Lizzie Sleight, Joan Stanton, Graham Sutherland, Julian Trevelyan RA and Edward Wolfe RA, at The Millinery Works, 85/7 Southgate Road, Islington, London N1 until 21 Aug. 020 7359 2019

Constance Stubbs: Man – works by the celebrated English artist who Sir Hugh Casson described as “probably the most exciting British painter today: without doubt she is amongst the foremost ranks of portraitists”.At Blackthorpe Barn, Rougham, Bury St Edmunds, Suffolk to 21 Aug. 01359 235061