medieval sandomierz royal castle, built on a slope of vistula river, sandomierz, poland

2020 architecture attraction brick building built casimir castle century city cityscape destination downtown europe exterior facade famous foot fort gothic great hens historic history iii july known kurza landmark medieval monument museum old outdoor poland polish river royal sandomierz sightseeing slope stopka stronghold swietokrzyskie tourism tower town travel urban vistula voivodeship