The Škocjan Caves are a remarkable system of limestone caves located in Slovenia. They are known for their stunning underground canyons, waterfalls, and diverse ecosystems. The caves are part of the Škocjan Caves Regional Park, which is a UNESCO World Heritage Site, recognized for its geological significance and natural beauty. The caves feature one of the largest underground chambers in the world, with a river flowing through them. Visitors can explore various trails and guided tours that showcase the unique rock formations and rich biodiversity. The Reka River plays a crucial role in shaping the caves and contributes to their ongoing geological processes.