Editor's NoteThe evolution of humankind and the planet we inhabit remains shrouded in mystery. Strange architectural wonders were created by some of our oldest ancestors, but how did they build such structures with rudimentary tools? How long did the dinosaurs live and how did they die? Will we ever be able to view the creatures who live in the deepest parts of the ocean? QUEST FOR ADVENTURE studies some of these questions, and more, in this fascinating three-part program.