A non-profit organisation, Raven Row focuses on developing an engaging and intelligent contemporary art programme outside of the highly commercial London art scene. The gallery exhibits established international artists alongside those whose work is often overlooked by the mainstream venues.
The Wellcome Collection is a free museum and library, mostly dealing with medecine and social history. The exhibitions are unusual and engaging, and the permanent collection includes bizarre items such as medieval masks and human remains.
The Greenwich Observatory with its green laser beam can transfigure any night sky. If you decide to cross the Thames via the foot tunnel, make sure you look out for the green ray. You can be on one side of the meridian in a minute, and cross to the other side on the next, without even realising it.