The lost world, as Sir Arthur Conan Doyle imagined it in his 1912 novel of the same name, was a place trapped in time, where dinosaurs clashed with modern man in a hauntingly beautiful, prehistoric setting.

That world, minus the dinosaurs, exists still, in the mountains of South America, the backdrop for Doyle’s story. And the clash with modern man in places like Mount Roraima — a spectacular flat-topped mountain on the borders of Venezuela, Brazil and Guyana in northern South America — continues, too, threatening to send parts of Doyle’s original lost world the way of the dinosaur. Read more.