Featured venues TOP ROW National Theatre Natural History Museum Old Royal Naval College MIDDLE ROW Royal Academy of Arts Royal Air Force Museum Royal Albert Hall BOTTOM ROW Royal College of Physicians Royal Geographical Society Royal Horticultural Halls The great outdoors 12 | uniquevenuesoflondon.co.uk 20,000 Greater London has over 50+ of our venues boast acres of green space gardens or outdoor spaces From glorious open parks, to rooftop terraces and hidden courtyards, we have an abundance of green spaces with opportunities for you to host an outdoor event in one of the most verdant capital cities in the world.