The permanent collection of the museum of Palazzo Doebbing is divided into thematic areas. One is dedicated to ancient art and houses artifacts from the Roman era, among which the Efebo from the 1st century AD is particularly relevant, testifying to the millenary identity of Sutrina. There is also a section dedicated to sacred art which preserves and enhances a precious selection of works from the Cathedral's treasure.
Lastly, the art gallery with canvases and tables from different buildings of the Diocese of Civita Castellana, among which masterpieces by masters such as Antoniazzo Romano , Sano di Pietro and Antonio da Viterbo stand out. The museum hosts numerous exhibitions throughout the year, always included in the admission ticket without surcharges.