Nick Knowles' Railway Journeys: Slovenia and Croatia

Nick travels from the Alps to the Adriatic as he journeys by train through the breathtaking scenery of Slovenia and Croatia His first stop is stunning Lake Bled, where he takes to the crystal-clear waters on a paddleboard, then visits Postojna caves, an underworld full of extraordinary gothic stalagmites with names such as the Skyscraper, the Turtle and the Curtain