Demänovská jaskyňa slobody is part of the huge underground karst system in the valley Demänovská dolina below the Nízke Tatry Mts. It boasts a unique drip stone ornamentation, which makes it one of the most beautiful caves of Europe.

In the south-western edge of the Slovenský raj Mts. is the Dobšinská ľadová jaskyňa cave, one of the largest ice caves in Europe. Thanks to its significance and unique ornamentation, it was included into the List of the Cultural and Natural Heritage of UNESCO.

Ochtinská aragonitová jaskyňa situated in the mountains Revúcka vrchovina in central Slovakia is a world rarity and unique natural phenomenon. It is interesting for variety and abundance of aragonite filling and a rare development of underground space. Due to its significance and unique ornamentation, it was included into the UNESCO List of the World Cultural and Natural Heritage.

The Belianska jaskyňa cave is the only one accessible to public in the Tatras and situated in the slope of the Belianske Tatry Mts. above the commune Tatranská Kotlina.  It is among the first caves Europe in which electric light was installed.

On the right side of the valley Demänovská dolina below the northern slopes of the mountains Nízke Tatry is another cave open to public - Demänovská ľadová jaskyňa.

This cave also referred to as the “Pride of the Region Gemer“, lies in the south-western part of the Slovenský kras karst on the Silická planina plateau. As a special experience the Domica cave offers to its visitors an attractive boat trip on its underground river. Due to its significance and unique ornamentation, it was included into the UNESCO List of the World Cultural and Natural Heritage.