The Spa Park in Ciechocinek - the largest of the four parks in Ciechocinek created in the years 1872-1875 according to the design of Hipolit Cybulski modified and improved by Franciszek Szanior.
Wikipedia https://en.wikipedia.org/wiki/Spa_Park,_Ciechocinek
Address (Unnamed Road), Ciechocinek 87-720, Poland
Coordinates 52°53'8.28" N 18°47'49.797" E