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| Slovenia > Hotels: Recommended - Ljubljana - Bled - Portoroz - Maribor - Kranjska Gora - Sightseeing | Austria - Italy - Hungary - Croatia - more - City Travel | |||
Featured Sightseeing Tours SloveniaOn this day we take you to the biggest and worldwide known Slovenian cave system - the Postojna caves. A two million years old and 27 km long system of subterranean caves is one of the most easily accessible network of underground caves in the world. A ride by electrical train will be followed by a guided walk through a series of cave halls with ... | ||