The main visionaries were: thirteen-year-old Justyna Szafryńska and twelve-year-old Barbara Samulowska. Both came from poor Polish families. Mother of God spoke to them in Polish, which was emphasized by Fr. Franciszek Hipler, "in the language they speak in Poland" is one of the oldest and most visited objects of this type in Poland.
In the area of thirty-five hectares, there are over sixty objects of large and small architecture from the areas of Warmia and Mazury, it is the oldest and one of the most beautiful collections of wooden architecture in Poland, perfectly maintained and interestingly exposed.