United States of America.
"In Pennsylvania, an enormous system of caverns has recently been discovered, and State Geologists are busy surveying them."
M/S of a group of men climbing down the side of some rocks by means of ropes. Inside a cave they climb into a little boat to negotiate...
Good footage of the ancient caves on the island of Sicily.
A visit to the potholes of the Pennines.
A group of women are given a tour of Chislehurst caves.
Bouzov cave in Czechoslovakia reopened.
Footage of a cave artist at work.
Repairs are made to exterior cliff face of Cheddar Gorge, Somerset.
Archaeologists go diving and exploring in Wookey Hole Cave, Somerset.
Famous caves full of beautiful rock formations are reopened in Bouzov, Czechoslovakia.