Many gates and turrets of citadels escaped from being damaged in fires and wars and still exist to this day, in contrast to castle towers, with most of them being designated as national important cultural property.
また、城郭の門や櫓(城郭)などは、天守に比べれば、火災や戦災を免れて残存しているものが多く、ほとんどが重要文化財に指定されている。