The Museu da Cidade, or the City Museum, is a free museum in Porto that tells the story of the city's history and development. Housed in a former 18th-century palace, the museum features exhibits on the urban evolution of Porto, including its architecture, urban planning, and cultural heritage. Visitors can explore the museum's collection of artifacts, photographs, and interactive displays to learn about the city's past. The Museu da Cidade offers a comprehensive overview of Porto's history and is a great starting point for those interested in understanding the city's rich cultural heritage.