On September 14, 2016 - the Day of the Cross, Metropolitan Nahum of Ruse opened the renovated museum exhibition of the Ruse Metropolis. The museum is located in the northern chapel "St. Alexander Nevsky" of the Cathedral "Holy Trinity".

It contains old icons, old printed books, church utensils, and vestments from the territory of the diocese.

The museum was first opened on July 28, 1983.