Highlighted by stunning special effects work from Willis O'Brien (who went on to help create the look of the original "King Kong"), this silent epic was based on a story by Sir Arthur Conan Doyle. Sent to investigate a professor who believes that dinosaurs still exist, an eager young reporter joins the researcher, a hunter/explorer, and a stunning beauty on a trip to the Amazon where they all encounter prehistoric beasts. Bessie Love, Lewis Stone, Wallace Beery, Lloyd Hughes star. 63 min. Standard; Soundtrack: music score. Silent with music score.