The imposing Saatchi Gallery in the heart of Chelsea (image © Jim Linwood/Flickr, Creative Commons)
Contemporary art in a huge, renovated Georgian building. Check for times. Adult from £31.35; child from £21.45.
To 3 May: Tutankhamun: Treasures of the Golden Pharaoh. It's been 100 years since the discovery of the ancient king's tomb and this is your chance to discover more than 150 of its artefacts.