Slovenia is hardly short of natural beauty, with its pearlescent lakes and craggy, snowy mountains putting it high on the list of Europe’s most beautiful nations, but one of its primary attractions, the Postojna Cave, needs to be seen to be believed.
The largest show cave in the continent, with a 3,200-metre-long (2-mile-long) track to whirr you around its caves and chasms, the Postojna Cave is genuinely otherworldly. Cathedral-size stalactites dangle from the ceiling of this 2-million-year-old cave complex, and its gigantic naturally formed caverns are so vast and acoustically sound that orchestras have been known to perform in them. It even has a post office – the world’s only underground postal service, buried 100 metres (328 feet) beneath the ground.
Formed by the crashing of the Pitka River into the rocky Slovenian settlement of Postojna, the caves have been explored by visitors since the 13th century, if carbon-dated graffiti marks are anything to go by. But the true appreciation of the caves came in the 18th and 19th centuries, when the Austro-Hungarian Empire, which controlled what we would now call modern-day Slovenia, saw their potential as a major tourist attraction. A local man, by the name of Luka Čeč, discovered far more to the caves as they were being cleaned in preparation for a visit from the archduke – as such, when the imperial crown provided the caves with the tracks and structure to be a natural exhibit, Čeč was made the first official cave tour guide.
Nowadays, the Postojna Cave remains one of Slovenia’s most beloved natural attractions, drawing hundreds of thousands of visitors every year to marvel at this phenomenal structure. Tied in with the enormous Predjama Castle, which serves as the cave’s entrance, a visit to Postojna is a must, being only 50 kilometres (31 miles) away from the increasingly popular capital city of Ljubljana. If you’ve ever wondered about the worlds that lie beneath your feet, then the Postojna Cave will show you all you’ve wanted to see, and so much more.
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Culture Trip launched in 2011 with a simple yet passionate mission: to inspire people to go beyond their boundaries and experience what makes a place, its people and its culture special and meaningful — and this is still in our DNA today. We are proud that, for more than a decade, millions like you have trusted our award-winning recommendations by people who deeply understand what makes certain places and communities so special.
Increasingly we believe the world needs more meaningful, real-life connections between curious travellers keen to explore the world in a more responsible way. That is why we have intensively curated a collection of premium small-group trips as an invitation to meet and connect with new, like-minded people for once-in-a-lifetime experiences in three categories: Culture Trips, Rail Trips and Private Trips. Our Trips are suitable for both solo travelers, couples and friends who want to explore the world together.
Culture Trips are deeply immersive 5 to 16 days itineraries, that combine authentic local experiences, exciting activities and 4-5* accommodation to look forward to at the end of each day. Our Rail Trips are our most planet-friendly itineraries that invite you to take the scenic route, relax whilst getting under the skin of a destination. Our Private Trips are fully tailored itineraries, curated by our Travel Experts specifically for you, your friends or your family.
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