A group of former military elites set out to explore an uncharted abyss, not knowing their worst nightmare is waiting for them deep beneath the...

Ralph Burton is a miner who is trapped for several days as a result of a cave-in. When he finally manages to dig himself out, he realizes that all of...

A couple of youngish adventurers go into the wilderness of British Columbia in search of a lost colleague. Their plane crashes and they find...

A party of tourists -- including a state senator, a park ranger who was her one-time lover, a cantankerous professor, and an escaped convict -- are...

A series of strange accidents plaguing a city located near the mine. Two people were pulled through the funnel, which formed after the collapse of...

Based on the true story of coal miners who became trapped underground in a cave-in on Christmas Eve, 1951.