Navy Commander Alan Roberts is assigned to lead an expedition to Little America in Antarctica to investigate reports of a mysterious warm water inland lake discovered a decade earlier. His helicopter and its small party, including reporter Maggie Hathaway, is forced down into a volcanic crater by a fierce storm. They find themselves trapped in a lush tropical environment that has survived from prehistoric times.

In India, Toomai, a young mahout, helps lead the British on a large expedition to round up wild elephants.

An expedition goes in search of a party lost in the Arctic a year earlier. (The English-language version of S.O.S. Eisberg.)

Waldemar, the renowned adventurer, joins an expedition to find the Yeti in the Himalayas. While hiking the mountains, he's captured by two cannibalistic demon nymphets guarding a remote Buddhist temple and becomes their sex-slave. They transform him into a werewolf setting him loose to roam the mountain where he encounters a sadistic bandit.

A castaway and an eccentric sailor hunt down an ancient creature that may or may not be real.

A kindly English botanist and a gruff American promoter lead an expedition to the Himalayas in search of the legendary Yeti.

Explore the mysterious and dangerous home of the king of the apes as a team of explorers ventures deep inside the treacherous, primordial island.

Six American grad students have arrived in Africa to study apes with a renowned professor. But after setting up camp in a jungle clearing, they soon become witness to the carnage inflicted by the strange and remote species.

In the early 1800s, a group of fur trappers and Indian traders are returning with their goods to civilization and are making a desperate attempt to beat the oncoming winter. When guide Zachary Bass is injured in a bear attack, they decide he's a goner and leave him behind to die. When he recovers instead, he swears revenge on them and tracks them and their paranoiac expedition leader down.

Roger Glover puts on a star-studded concert at the Royal Albert Hall for his concept album "The Butterfly Ball and the Grasshopper's Feast".

Two insects fight over the hand of a beautiful lady.

The story of Captain Richard Francis Burton's and Lt. John Hanning Speke's expedition to find the source of the Nile river in the name of Queen Victoria's British Empire.