Sacred Destinations Destinations Trier Cathedral Trier Cathedral Photos 30873 × share full URL share short URL embed link code photo 19 of 81 Previous | Next Exterior of Trier Cathedral and Adjoining Church of St. Mary Exterior of Trier Cathedral (Dom St. Peter) and the adjoining Church of St. Mary (Leibfrauenkirche). Photo by bsktcase. Related pages: Credit: Bsktcase / Flickr