Olsztyn Castle - Credit: Wikimedia Commons
Olsztyn Castle - Credit: Wikimedia Commons
Olsztyn Castle () – castle ruins located in the Kraków-Częstochowa Upland, lying on the Trail of the Eagles' Nests – formerly protecting the southern border of the Kingdom of Poland. The ruins of the 14th-century castle are one of the biggest attractions of the area. Read more on Wikipedia
Source: en.wikipedia.org