The world's unknown

an all-embracing history of a century of exploration and discovery, ... recording in graphic narrative the strange experiences, thrilling adventures, and great achievements of the most famous travelers. : Treated under proper divisions and classifications, and embracing, in expositional completeness, all the least known countries of the globe. : A condensation of the world's best books of research among savage men and animals of darkest lands, being descriptive of peoples, customs, superstitions, curious creatures, and wonderful things seen by famous explorers in tropic regions and srctic climes. : The whole comprising an encyclopaedia of geographical knowledge, representing the civilization and heroic accomplishments of one hundred years