Open City Programmes Accelerate For over a decade, Open City has run Accelerate, a free programme supporting young people from under-represented communities to pursue creative careers in engineering, architecture, design and city-making. Find out more Tours and events Open City runs an adventurous programme of year-round walking, cycling and boat tours, debates and lectures. What's on? Open House London Festival With thousands of visitors across all 33 London Boroughs, Open House London Festival is the largest and most inclusive festival of architecture and neighbourhoods in the world. Learn more Open House Worldwide Open City is part of a global network of festivals dedicated opening up and celebrating special buildings and places from New York to Maputo and beyond. Find out more