From the picturesque Lake Bled to the stunning alpine peaks of the Julian Alps, it is no surprise as to why Slovenia is quickly becoming a must-see destination for any traveler making their way around Europe. Among one of the most unique yet most visited attractions in Slovenia are the Postojna Caves. This geological wonder is formed by a series of caverns, halls, and passages, some which can be as long as 24km and dated to be around two million years old. The caves were hollowed out by the Pivka River and are the second-longest cave system in the country- truly a sight that cannot be missed. We recommend staying at one of our nearby luxury tents or tree houses to experience a truly unforgettable outdoor glamping experience!