The Jewel of Doom

The U.S. government, eager to protect the nation's avacado supplies, recruits feminist professor Margo Hunt to make contact with the Piranha Women, an all-female tribe who believe men are only good as a source of food. Accompanying Dr. Hunt on her trip are Jim, a guide of questionable competence, and Bunny, a student of unquestionable incompetence.

A huge burrowing machine tunnels out of control at ferocious speed, cutting clean through to the center of the earth, to the twilight world of pellucidar. Once there, Dr. Perry and David Innes are threatened by half human creatures, lizard-like birds, and man-eating plants.

The 21st successor to the role of Bengalla's resident superhero must travel to New York to prevent a rich madman from obtaining three magic skulls that would give him the secret to ultimate power.

Ever in search of adventure, explorer Allan Quatermain agrees to join the beautiful Jesse Huston on a mission to locate her archaeologist father, who has been abducted for his knowledge of the legendary mines of King Solomon. As the kidnappers, led by sinister German military officer Bockner, journey into the wilds of Africa, Allan and Jesse track the party and must contend with fierce natives and dangerous creatures, among other perils.

Tarzan, having acclimated to life in London, is called back to his former home in the jungle to investigate the activities at a mining encampment.

A pair of adventurers try to track down an ancient Aztec/Mayan/Egyptian/Apache horde of gold.

For ten years, engineer Bill Markham has searched tirelessly for his son Tommy who disappeared from the edge of the Brazilian rainforest. Miraculously, he finds the boy living among the reclusive Amazon tribe who adopted him. And that's when Bill's adventure truly begins. For his son is now a grown tribesman who moves skillfully through this beautiful-but-dangerous terrain, fearful only of those who would exploit it. And as Bill attempts to "rescue" him from the savagery of the untamed jungle, Tommy challenges Bill's idea of true civilization and his notions about who needs rescuing.

Stephen, an international trader, tracks down his ex-wife Patricia in some Amazonian backwater. He needs her consent to a divorce so that he can marry Charlotte. Unfortunately, he discovers a son he didn’t know he had – Mimi-Siku. The young jungle boy yearns to see Paris so Stephen reluctantly agrees to take him back home with him for a few days. How will Mimi-Siku react to life in the great metropolis?

A Mexican scientific team and an Arab expedition clash over a powerful piece of metal hidden in the jungle. Oh yeah, and there's also aliens, a psychic, a sorcerer and a hostile tribe who do the occasional human sacrifice.

When a Spanish Jesuit goes into the South American wilderness to build a mission in the hope of converting the Indians of the region, a slave hunter is converted and joins his mission. When Spain sells the colony to Portugal, they are forced to defend all they have built against the Portuguese aggressors.

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.