On some distance near the entrance, the walls of the cave are completely black. This is not natural. During WWII, the Nazi had established a major airplane fuel depot in Postojna cave. They had sealed the entrance and it was heavily guarded. Nobody could come near from the front but the partisans in April 1944 succeeded in reaching the depot from behind, crawling into narrow passages that only locals speleologists knew. They blew up the depot that burned for seven days. The saboteur that set fire was taken by the blast, half burnt and wounded. His comrades thought he was dead and left. After two days when he had plenty of water to drink but no food, he succeeded finding a way out and escape both the cave and the Nazi patrols.
Updated Dec 30, 2009
At the end of the tour of the cave there is a tank containing one Proteus Anguinus, a rather odd looking creature that is the shape of a snake with arms and legs, has no pigment, blind and didn't even appear to have eyes. The Proteus lives completely in the dark so I suppose it's irrelevant that it can't see. They only display a single specimen because the light would start harming them at some point, our guide said each one was only there for around a month before they found a different one to display.
It's nicknamed the "human fish" because it has three digits on it's arms and two on each leg and because it has gills, red in color.
They don't know how they reproduce, they can go for years without food and occasionally engage in cannibalism, odd little creatures indeed! I didn't take a picture of the actual one in the tank, I wasn't sure if the flash would bother it even further.
Written Jun 17, 2007
When in Postojna, you should try a local cheese dish called "Frigo" or "Frico" that is really, really good. I had it in an Italian trattoria at the Postojna cave site. It is a warm cheese and potato mixture, usually served with Polenta, that tastes incredibly good. Make sure you keep your eyes out for this culinary delight, you wont regret it!
Written Aug 21, 2003
If you take a bike ride around, or your car I guess, you will notice quaint little villages and beautiful houses full of flowers and lovely details.
Updated Jul 16, 2003
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2 Reviews and 26 Opinions If you feel it is necessary to stay in Postojna (which I don’t feel that it is! All can be seen and...
3 Reviews and 21 Opinions A few km from Postojna, in a pinewood, high quality
25 Opinions
Reviews and photos of Postojna attractions posted by real travelers and locals. The best tips for Postojna sightseeing.

If you take a bike ride around, or your car I guess, you will notice quaint little villages and beautiful houses full of flowers and lovely details.
6 members live in Postojna
Q: Hi, My family and I will be in Slovenia for a week and we want to see Ljubljana, Bled and Postojna. Could you advise whether it...

A: You don't need to stay overnight in Bled unless you want to (it might be nice). The bus goes every hour, and takes around an hour, from outside Ljubljana's railway...
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Postojna is a small town of 15,000 inhabitants, in Lower Carniole. It’s name is famous because of it’s Karstic cave, Postojnska Jama (Cave of Postojna). It is Slovenia’s most visited location and the...
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Postojna is the Disneyesque version of the caves in Slovenia and the #1 tourist attraction in Slovenia, lots of tourists, an amusement park style train ride to descend into the caves, places to shop...
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Postojnska Jama: wonderful caves

Welcome to the wonderful Postojnska Jama (Postojna Caves)!!! Postojna Caves is probably the top tourism site of Slovenia. They are 21 km long but during the visit you explore only about 5.3 km: the...
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The magical subterranean world of Postojna

Of all the places that I visited in my first trip to Slovenia, the one I recall being most impressed by was the Postojna Caves. So, unsurprisingly it was a non-negotiable 'must see' when I returned 25...
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Postojna Caves and the Human Fish

Postojna is located about 75km south-west of Ljubljana and is easily accessible by both road and rail. Postojna is famous for its caves which have been visited by tourists and important dignitaries......
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