Bydgoszcz is a historic city in Northern Poland located on the scenic Brda river. Visit Mill Island in the old town and see the buildings standing there from Medieval times. Discover cast iron bathtubs from the 19th century, utensils used for washing and bathing, a replica of a medieval bathhouse at the Museum of Soap and Dirt housed in a tenement house. Discover archival photos, wooden water pipes, and vintage bathroom and toilet fittings at Watchtower, an iconic monument housing a museum of Bydgoszcz’s water supply network. Visit Bydgoszcz Cathedral, a 14th-century church comprising vivid colors, a detailed vaulted ceiling, and the Baroque high altar.