This breath taking cave has taken more than 31 million visitors (That makes this cave the most visited cave in the history of mankind.) in the last 185 years or so. It was the first cave that was opened to the public, only the first part of the cave was opened in 1945 but it still is the longest accessible cave system in the world.
As you may already know, Slovenia has more than 85.000 caves and many more are discovered every year. The possibility of discovering stalactites, stalagmites, flow stones, halls, natural windows and many more absorbing underground sights are the reason for Slovenia caves being more and more popular among tourists. Two most known Slovenian cave systems are described in the articles about Postojna cave and Škocjan caves. In this article I will concentrate on three other, ?hidden? caves in Slovenia that are interesting from different perspectives.