• The Werfen Ice Cave

Eisriesenwelt is a 42 km long cave within the Hochkogel Mountain, the largest ice cave in the World, near Werfen and 50 km south of Salzburg.
Take a one hour tour of the freezing cave, explore the various ice halls and rooms, and the beautiful Stalagmites and Stalactites ice formations, a huge “tower”, a “castle”, an “ice organ”, and more.
http://www.eisriesenwelt.at/