The world's biggest ice cave – just 30 km from St. Koloman!
This "World of Ice Giants" is a labyrinth of caves over 40 kilometers long. The first fissures and crevices were formed around 100 million years ago. Enjoy a guided tour 1 km deep into this unique natural phenomenon; marvel at the ice formations and learn fascinating scientific and historical background information. www.eireisenwelt.at/en