In Slovenia's No. 1 tourist attraction – The Postojna Cave – it’s most famous resident, PROTEUS ANGUINUS is coming back to the natural surroundings and environment. After two years of absence, because the new, more appropriate aquarium had to be built, Proteus is once again in the cave, so tourists from all over the world can see this wonderful creature of nature. Proteus lives only in this part of the world, and it is very precious, since it is an endangered species. Welcome to the Postojna Cave, where you can see Proteus and visit the most beautiful tourist attraction in this area.