The “Rediscovering History” exhibit at Museo El Deposito provides a comprehensive introduction to Manila’s historic underground reservoir, the only one of its kind in the Philippines. Originally constructed in the 1880s as part of the Carriedo Waterworks, the reservoir was a pioneering project that addressed the city’s growing demand for potable water. Visitors today can enter the well-preserved chambers where water once flowed, guided by experts who explain how the system worked and how it influenced Manila’s urban expansion. Artifacts such as original pipes, tools, and historical maps further illustrate the magnitude of the undertaking, while multimedia presentations recreate the bustling life of 19th-century Manila. The exhibit does not merely highlight engineering achievement but also addresses the social implications of water access, sanitation, and public health during colonial rule. By connecting past struggles to present-day issues of sustainability, the museum inspires its gue—