1. Eisriesenwelt Ice Caves

2. Eisriesenwelt Ice Caves
Formation
Ice Age: glaciers carve out the cave 25 miles south of modern-day Salzburg, Austria in the Alps
Ice forms from inflow and outflow of air in summer and winter
Ice gradually builds up every year to form the world’s largest ice caves

3. Eisriesenwelt Ice Caves
Modern History
Discovered in 1879 by Anton Posselt
Not completely explored until 1912 by Alexander Von Mörk
Opened to tourists in 1920

4. Eisriesenwelt Ice Caves
The Experience
Cave entrance at 5,500 ft. in the Alps
Temperatures average below 32° F inside
Cave itself ascends 440ft. (over 700 wood steps constructed over the ice)
No electricity: every third person carries an open-flame carbide lamp

5. Eisriesenwelt Ice Caves

6. Eisriesenwelt Ice Caves
Sources