FUTURE RUINS: LISBON explores sites of urban development and decline to consider how we navigate and repurpose the future ruins of our urban surroundings. The publication proposes a range of critical cartographies conceived as conceptual tools to help us think differently about navigating the immaterial structures and material products of the city. These speculative insights focus on Lisbon and take the form of maps, charts, urban guides, group studies and new writing that together assess how counter-narratives, contested histories and marginalised memories can be revived and redeployed within a range of urban contexts undergoing rapid transformation.