From the first utopian impulse of Plato's Republic to today's global border controls and public space surveillance systems, there has always been a tyrannical aspect to the organisation of society and the regulation of its spaces. Tyranny takes many forms, from the rigid barriers of military zones to the subtle ways in which landscape is used to 'naturalise' power. What are these forms and how do they function at different scales, in different cultures, and at different times in history? How are designers and other disciplines complicit in the manifestation of these varying forms of tyranny and how have they been able to subvert such political and ideological structures?