Kick off your adventure with a convenient pick-up from the cruise ship terminals in Koper or Piran, before embarking on a thrilling journey to Postojna Cave, a natural wonder that boasts one of the largest karst cave formations globally. As you venture deeper into the mystical underground world, an electric train will transport you through an incredible labyrinth of tunnels and chambers, each one more breathtaking than the last. Be on the lookout for the elusive olm, a unique aquatic salamander that calls this subterranean realm home. Next, find yourself enchanted by the picturesque village of Predjama, where a majestic castle appears to defy gravity, nestled precariously on a 123-meter cliff face. Take in the awe-inspiring views of the Lokva River as it vanishes dramatically beneath the castle walls. Uncover the secrets of medieval construction techniques and delve into the legend of Erazem of Predjama, the notorious baron with a penchant for robbery. Step into the rich history of this 15th-century fortress, exploring the remarkable stories of the siege that once besieged it and the ingenuity of the medieval people who built this iconic monument.