Where is Museum of St. Maximilian Kolbe ""There was a Man""?

Where is Museum of St. Maximilian Kolbe ""There was a Man"" located?

Museum of St. Maximilian Kolbe ""There was a Man"", Mazowieckie, Poland (approx. 52.20444°, 20.42083°)

Where is Museum of St. Maximilian Kolbe ""There was a Man"" on the map?