The Great Synagogue in Piotrków Trybunalski,, was built between 1791-1793 and designed by David Friedlander. The synagogue was devastated by Nazis during World War II. After the war, the building was renovated and it now serves as a library.
Although plundered during World War II, it is the best preserved synagogue in the Łódź region and one of the best preserved in Poland.
Wikipedia https://en.wikipedia.org/wiki/Great_Synagogue_(Piotrków_Trybunalski)
Coordinates 51°24'34.453" N 19°42'5.787" E