"Nowa Synagoga" is synagogue built in 1906-1907.
The construction combines Neo-Roman and Neo-Mauritanian styles.
During the occupation it was rebuilt in 1941 into an indoor swimming pool for the Wehrmacht soldiers.
Today the swimming pool is no longer open and the building stands as a ruin.
Cache:
Cache is easy to found, you should look for magnet, but cache is not micro-magnetic type.