Wild Castles season 1 episode 3
Episode title: Predjama: Hidden Caves of Slovenia
Predjama Castle is carved into the heart of a Slovenian mountain and nestled among stunning natural attractions, including the eerie Postojna Caves and Lake Cerknica--Europe's largest intermittent lake. Brown bears, aquatic salamanders known as olms, and more thrive in the shadow of this imposing fortress.
