The mysterious Postojna cave world is the part of Slovenia which has been carved, shaped and created by water; deep within these world-famous caves hide the most precious beauty created through millions of years, drop by drop, year after year...
The 20-kilometre-long underworld system is a miracle in itself, but one becomes truly astounded at the look of the mysterious "human fish" (Proteus Anguinus), wondering at the strange form of life preserved in the underground kingdom. Another mystery of the underground ...
The cave is accessible without special equipment, and has a constant temperature of 10 degrees Celsius. Visitors are taken for a tour by a special cave train, accompanied by experienced guides.