One of the most interesting places to see in Slovenia is Lake Cerknica, known here as Cerkniško jezero. When the country has a lot of rainfall and snow, then it is the largest lake in the country. But when it does not, it completely disappears.
Predjama Castle is a romantic castle built in the rock above the village Predjama. It is located just 9 km from the Postojna Cave. Most of the castles are located on the hill, but this one is different! Predjama Castle was built in the 12th century at the cave entrance.
Vršič is the most famous pass in the Julian Alps. The first road was built here in the first world war for the Austro-Hungarian army by the Russian prisoners. 400 of them died due to avalanche.
Triglav Lakes Valley is a valley in the Julian Alps, between the slopes of Tičarica and Zelnarica mountains, south-west of Triglav. The valley is also called the Valley of seven lakes (Dolina sedmerih Jezer), although there are actually ten lakes, not seven.
Idrija is located on the river Idrijca. It’s the oldest Slovenian mining town, while there are the second largest mercury mines in the world. The oldest part of the mercury mine (tunnel Antoni) dates back to 1500 and is visited by lots of visitors.