After a personal tragedy, Sarah joins her friends on a caving expedition in the Appalachian Mountains. But when a rockfall traps them deep underground, their adventure turns into a nightmare. As they search for a way out, the group discovers they are not alone—lurking in the darkness are savage, cave-dwelling creatures. With rising tension and dwindling trust, the women must fight to survive against both the predators and each other.
A 'National Geographic' film crew is taken hostage by an insane hunter, who takes them along on his quest to capture the world's largest — and deadliest — snake.
In the Antarctic, after an expedition with Dr. Davis McClaren, the sled dog trainer Jerry Shepherd has to leave the polar base with his colleagues due to the proximity of a heavy snow storm. He ties his dogs to be rescued after, but the mission is called-off and the dogs are left alone at their own fortune. For six months, Jerry tries to find a sponsor for a rescue mission.
Navigating the wilderness of subarctic Quebec, a motley crew discovers something ineffable.
The villainous Dr. Fu Manchu races against a team of Englishmen to find the tomb of Ghengis Khan, because he wants to use the relics to cause an uprising in the East to wipe out the white race.
Four explorers are summoned to Peru by the brilliant physicist Dr Thorkel. They discover a rich source of radium and a half-mad Thorkel who shrinks them down to one-fifth their normal size when they threaten to stop his unorthodox experimentation.
A German expedition is in the African jungles on an unidentified misson. During this mission one of the German explorers, Thoren, is attacked and captured by the local natives called the Botos.
Modern treasure hunters, led by archaeologist Ben Gates, search for a chest of riches rumored to have been stashed away by George Washington, Thomas Jefferson and Benjamin Franklin during the Revolutionary War. The chest's whereabouts may lie in secret clues embedded in the Constitution and the Declaration of Independence, and Gates is in a race to find the gold before his enemies do.
Farmer Al Falfa flies to Africa with the Royal Society of African Explorers to hunt in the jungle.
A scientific expedition sets out for Borneo to seek a flower called the Blood Orchid, which could grant extended life. Meanwhile, they run afoul of snakes and each other.
A mercenary-for-hire accepts a mission from a billionaire to capture a dangerous snake that could possibly help cure a terminal illness.
Two Japanese scientists, Ushioda and Ochi, develop a bond with their sled dogs while on an expedition in Antarctica.
When her archaeologist father disappears on an expedition, Wanda sets out to look for him. What she finds is a secret underground world, where no one believes in life on the surface and where she and her father are taken for spies.
Mysterious and unearthly deaths start to occur while Professor Saxton is transporting the frozen remains of a primitive humanoid creature he found in Manchuria back to Europe.
Explore the mysterious and dangerous home of the king of the apes as a team of explorers ventures deep inside the treacherous, primordial island.
When scientists exploring the Amazon River stumble on a “missing link” connecting humans and fish, they plan to capture it for later study. But the Creature has plans of his own, and has set his sights on the lead scientist's beautiful fiancée, Kay.
A young linguist named Milo Thatch joins an intrepid group of explorers to find the mysterious lost continent of Atlantis.
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.
"In 1963, Swiss climber Norman Dyhrenfurth began 'a little war against a big mountain.' Leading 19 Americans, 32 Sherpas, and 909 porters carrying 27 tons of gear, Dyhrenfurth spearheaded the highly successful 1963 American Mount Everest Expedition for his adopted country. Jim Whittaker, accompanied by Nawang Gombu Sherpa made the first ascent by the Hillary-Tensing route. On May 22, Tom Hornbein and Willi Unsoeld made the first ascent by the unclimbed West Ridge. They descended by the South Col, making the first traverse of Everest. Orson Welles narrates the spectacular record, and the film includes the first ever filmed images from the summit."
A biologist signs up for a dangerous, secret expedition into a mysterious zone where the laws of nature don't apply.