hardegg medieval castle on a fortified hill upon thaya river during summer or autumn time. misty big ruins in the thayatal valley.

architecture austria austrian autumn beauty big border building burg castle closeup czech europe european forest fortified fortress gothic hardegg hill historic historical history indian landmark landscape lower medieval misty monument mountains national nature old outdoors palace panoramic park republic river romantic ruin ruins scenery smallest spring summer thaya thayatal time tourism tower town travel trees valley world