ruins of olsztyn castle on trail of eagles` nests.

14thcentury attraction background big border castle century city cracow crown czestochowa czastochowa day eagles format formerly fortification gniazd gniazda hill history jagiello king kingdom krakasup3 located nests olsztyn opolczyk orle orlich photo poland polish polska portrait prince protecting region ruins silesia silesian southern summer sunny swedes szlak taken trailof upland wall wladyslaw