The Holy Trinity Collegiate Church in Ołyka, one of the most valuable Baroque monuments in Poland, was founded by Stanisław Albrecht Radziwiłł in 1635-1640. The Holy Trinity Collegiate Church in Ołyka, one of Poland's most valuable Baroque monuments, was founded by Stanisław Albrecht Radziwiłł, in 1635-1640. Benedetto Molli and Giovanni Maliverna were responsible for the design of the temple, while Melchior Erlenberg and Michał Germanus made the sculptures. In 2018-2019, restorations were carried out on the façade and on the sculptures and reliefs.