Wilson's Mound is a mound built in the years 1918-1938 by Jan Kowalewicz, known as "Bartek z Piekła", near the village of Zaborówiec, on Lake Maszynek. It is located near the remains of the Papiernia Forester's Lodge.
Jan Kowalewicz "Bartek z Piekła"
Jan Kowalewicz (born December 31, 1858, died May 21, 1945) was a hermit living in the area. He was a patriot and built the mound to honor the President of the United States, Thomas Woodrow Wilson, for his contribution to Poland regaining its independence. Work on the mound lasted about 20 years.