Experience a miracle of nature visit the world of ice giants the largest ice caves in the world one of the true wonders on earth the werfen icecaves are a wondrous underground world of natural ice sculptures and formations discover a world of natural beauty high above the village of werfen amid the magnificent mountain world of the tennengebirge we find the entrance to the worlds biggest exploredlabyrinth of ice caves explore the panoramic view of salzburgs giant ice caves in werfen o