American tycoon George Harrison, his beautiful wife, Mona, and deep-sea diver Jeff Clark are off the coast of Africa hoping to salvage a fortune in diamonds at the…
Dr. John Rollason (Peter Cushing), his wife, Helen (Maureen Connell), and assistant, Peter Fox (Richard Wattis), are guests of the Lama (Arnold Marlé) of the monastery…
In Egypt in 1895, archaeologists John Banning (Cushing), his father Stephen (Felix Aylmer) and his uncle Joseph Whemple (Raymond Huntley) are searching for the tomb of…
The citizens of mountain town Pine Ridge, California, are concerned about a series of livestock mutilations in nearby Devil's Crag. A local, Harold Banks, is also found…
An earthquake strikes Mexico, resulting in the overnight birth of a new volcano. Geologists Dr. Hank Scott and Dr. Arturo Ramos are dispatched to study this crisis at…
A geology expedition in the Amazon uncovers fossilized evidence (a skeletal hand with webbed fingers) from the Devonian period that provides a direct link between land…