Ciechanów Castle
Ciechanów, Poland · built 1429
Castle of the Masovian Dukes is a Brick Gothic castle built at the turn of the 14th and 15th centuries. It is situated in the town of Ciechanów, Masovian Voivodeship, in Poland.
Aquarium data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).