Pay attention to your heads! The train is leaving... Postojna caves tour, Slovenia
The signatures of visitors show that the caves were already known in the thirteenth century.
The first map of the sections was then discovered until published by the Viennese mathematician J. N. Nagel in 1748.
The Postojna Caves are among the first caves that have implemented pay visits (1824) and the service of tourist guides (1825).
The visitors' book was established in 1819.
The first underground inhabitant, the beetle named 'drobnovratnik' or collominuto (Leptodirus hochenwartii) was discovered in the Postojna Cave in 1831.
The first cave guide was published in 1821, the first guide in Slovenian in 1863.
The tradition of underground events dating back to 1825, the year of the first dance of Monday.
Torches and candles were replaced by artificial electric already in 1884.
The first transport of visitors by trucks driven by guides on the track dating back to 1872. The train pulled by a locomotive engine with a petrol began to run in 1914.
Up to now, the caves have been visited by more than 30 million visitors.