The Korean Demilitarized ZoneDemilitarized Zone (DMZ) is a 4 km wide and 250 km long stretch that serves as a buffer zone between the belligerent North and South Korea. Established in 1953 by the Armistice Agreement, this border is a lingering remnant of the Cold War, marking 70 years since its formation. Paradoxically, the “De-militarized”Demilitarized Zone zone is among the most heavily militarized and densely land-mined regions in the world. However, this area shaped by conflict has inadvertently evolved into an “involuntary park,” a space predominantly devoid of intense human habitation for seven decades with only occasional covert military activities. This unintended protection from rapid urbanization has fostered the growth of endangered flora and fauna, engendering its ecological significance over time despite the clandestine military operations that go against its ecologically rich environment. This chapter critically examines the potential of mapping the DMZ as proving ground to generate a range of seemingly “impossible” scenarios for active debates. This analysis seeks to provide deeper insights into how the DMZ is constructed, maintained, deconstructed, functions, and potentially reconfigured and “reimagined” as a productive land and territory through spatial methods. Further, it attempts to explain the role of spatial practice-based creative imagination in understanding our current realities in new ways that enable us to envision better unimaginable futures. Within this framework, the chapter presents conversation-provoking mapping projects and several speculative designs that elucidate how playful subversive design strategies such as appropriations, double entendre, object trouvé and further evolutionary theories such as “affordance”Affordance and “homologous structures” can be deployed to existing sites of conflicts to develop innovative architectural approaches that address such sites. The speculative spatial designs in the chapter aim to demonstrate how architectural discipline informed by spatial practices can shape, help, and repurpose contested territories that reimagine the DMZ, not merely as a demarcation line on a map that divides but as a productive and transformative space with hope.