The natural and human history of the Galapagos Islands-beloved vacation spot, fiery volcanic chain, and one of the critical sites in the history of science Charles Darwin called it "a little world within itself." Sailors referred to it as "Las Encantadas"- the enchanted islands. Lying in the eastern Pacific Ocean, straddling the equator off the west coast of South America, the Galápagos is the most pristine archipelago to be found anywhere in the...