The Dominican Cathedral is a historic landmark of Lviv, representing the Baroque architecture. The building belongs to the Ensemble of the Old Town (historic centre), which is listed as a UNESCO World Heritage Site.
The construction of the Cathedral began in 1749, the author of the project – known engineer and architect, a talented Jan de Witte. In the second half of the 19th a bell tower was added under the project of Polish architect Julian Zakharevich.
During the Soviet era the site was used as a regional archive and as a school of printing workers. After restoration in 1972 the Dominican Monastery opened as a museum dedicated to the history of religion and atheism; the atheists have since left the building. Religious services have also resumed.