Garden of Eden: Using the Old Testament as a road map, researchers attempt to trace the possible site of the original Garden to India, China, and an island off the coast of Saudi Arabia.

An inquiry into whether the dramatic weather changes in America's northern states mean that a new ice age is approaching.

A look at the billions of fire ants that march across the southern United States and the failure so far of all attempts to stop them.

Butch Cassidy: Examines the possibility that Butch Cassidy was not killed in Bolivia along with the Sundance Kid, but actually lived a full life and died peacefully in 1937.

Haunted Castles: Probe into one of the world's most haunted places.

Witch doctors: Leonard Nimoy hosts this look at ancient folk medicines that are being reinstituted today in modern mental institutions and are yielding positive results.

Troy: The story of Heinrich Schliemann, an eccentric self-made millionaire obsessed with discovering the ruins of Troy at a time when the city was considered a fable that never existed. He discovered not one but nine ancient cities in Turkey, and recovered a hoard of spectacular relics.

"In Search of..." investigates the possible uses of hypnosis from recovering lost memories to faster learning. These hypnotic methods are used in modern surgery and police investigations.

The Swamp Monster: An investigation of reports that a huge man-like beast is living in the swamps of Louisiana's bayou.

Immortality: Looks at scientific discoveries of new methods of prolonging human life, such as cryonics, which can suspend life for centuries.

Secrets of Life: Explores the possibility that human life can be created in laboratories engaged in DNA research.

Anastasia: An examination of evidence that the youngest daughter of Russia's Tsar Nicholas II Aleksandrovich Romanov survived the family executions, and settled in Charlottesville, Virginia.

NOTE: This was produced years before Anna Anderson Manahan, as she in time came to be known, was proven, through DNA evidence which could not have been forensically examined at the time, to have been an impostor.

The Shark Worshippers: A trip to remote parts of the Pacific where man-eating sharks are considered gods. Adults pray to them and children swim unafraid among them.

Reincarnation: Reviews case histories of people who claim to have lived in previous lifetimes.

Dead Sea Scrolls: The story of the 2,000-year-old scrolls, discovered by a shepherd, that revolutionized religious thought.

Pyramid Secrets: Examines the theory that the pyramids of Egypt were built to provide shelter from a holocaust, not as tombs for the pharaohs.

The Ogopogo Monster: This large beast, similar to Scotland's Loch Ness Monster, is claimed to have been seen by thousands of people in western Canada.

Hurricanes: Take a close-up look at these violent killers that have taken the lives of hundreds of thousands of people. Can they be controlled or prevented?

Explores the existence of Bigfoot, the Yeti and other legendary humanoid-type creatures.

Michael Rockefeller: Did he drown or was he murdered? An investigation into the disappearance of Nelson Rockefeller's youngest son who vanished without a trace among some of the most primitive peoples in the world.

Astrology: Can astronomical movements affect the affairs of man? Leonard Nimoy reviews the long history of astrology and looks at its attraction today.

Mayan Mysteries: The Mayans of Mexico carved an advanced civilization out of the jungles, then disappeared. Where did they come from? Where did they go?

Firewalkers: How do people walk on red-hot coals without being burned?

The Man Who Would Not Die: The fascinating saga of the Count of St. Germain, who dazzled the courts of Europe for over 100 years, leading some to believe he was immortal. Elizabeth Clare Prophet describes the Church Universal and Triumphant's reverence for St. Germain.

The Lost Dutchman Mine: An investigation into why hundreds of gold hunters have died searching for a lost treasure ever since a German prospector wandered out of Arizona's Superstition Mountains in the 1860s. Is there really cursed gold hidden there, as Apache lore suggests?