This Sportscope short documentary takes a look at a group of Austrian speleologists who explore a newly-discovered cave.
RKO Radio Pictures, RKO Pathé Pictures
The Legend of Tayos
Journey into Amazing Caves
Life in Four Elements
Dragon's World: A Fantasy Made Real
Caveman: The Hidden Giant
Realm of Darkness - Caves of Glass
Ice Passengers
The Rescue
Realm of Darkness - The Elusive Depths of Mexico
Down the Rabbit Hole