Yesterday,
Brian Switek posted to his Dinosaur Tracking Smithsonian blog a neat piece on the movie version of Arthur Conan Doyle's The Lost World from 1925, complete with the Youtube link to the full-length movie in question.
Arthur Conan Doyle's Aethereal Dinosaurs Neat perspective on the film, some interesting thoughts about it and Conan Doyle's work, and of course, the movie! :)