igslovenia.si
Predjama Castle - @igslovenia
According to Lonely Planet, Predjama Castle, 9km from Postojna, is one of Europe’s most dramatic castles. It teaches a clear lesson: if you want to build an impregnable fortification, put it in the gaping mouth of a cavern halfway up a 123m cliff. Its four storeys were built piecemeal over the years from 1202, but …