Part 2. "Tutankhamen: Search for the Lost Pharoah" re-creates Howard Carter's "unmasking" of Egypt's "boy king" and recalls the "Tutmania" that followed Carter's discovery of the tomb in 1922. Also explored: the "curse" of King Tut's tomb. Richard Kiley narrates.
Conclusion. "Atlantis? Mystery of the Minoans" re-creates Arthur Evans' 1900 discovery of "the historical origin of Greek myth" on Crete: Knossos, King Minos's 1400-room palace. The Minoan civilization flourished from about 3000 BC to 1400 BC, when it suddenly disappeared---and Atlantis might have been part of it. Richard Kiley narrates.
"Dragon Hunters: Secrets of the Gobi Desert" traces Roy Chapman Andrews' search for an "evolutionary garden of Eden" in the 1920s. Chapman didn't find that, but he was the first to find dinosaur eggs. Included: vintage footage of the expedition. Richard Kiley narrates.
"Machu Picchu: Secrets of Lost Incan Empires" traces Hiram Bingham's discovery of the "lost" Incan city that was never found by the Spanish conquistadors. Interviewed: Bingham's son Alfred. Richard Kiley narrates.
Part 4: "Skull Wars: The Missing Link" recalls anatomist Raymond Dart's 1924 discovery of a skull "on the threshold of humanity" in South Africa---and the 30-year controversy it set off. Interviewed: Dart (who died in 1988) and Prof. Philip Tobia, a Dart student. Richard Kiley narrates.