More to explore:
Green - Nie Gram
Kamienne Schodki, Warsaw, Poland
Tatra Mountains, border between Slovakia and Poland
Toruń 22- Haus 2006 | Torun, Poland
Mlyn Klekotki (Mazury Lakes). Mazury is a natural region in northeastern Poland famous for its 2,000 lakes.
Winter River / Kalisz, Poland
Gothic Castle in Malbork, Poland (Teutonic Knights' seat; largest Gothic fortress in Europe)