Since 1769, the Royal Academy has been putting on the Summer Exhibitions, which are one of the major tourist attractions in London.

Check their website for the exhibition schedule.

Admission: £7 adults, children 12-18 £2.50, children 8-11 £1.50

Info:
Open: 10am to 6pm, until 10pm on Fridays. Last admission to the galleries is thirty minutes before closing.

Underground: Piccadilly
Website: https://www.royalacademy.org.uk/

Address:
Burlington House, Picadilly
London WIJ OBD
Phone: 020 7300-8000