The Galápagos Islands is a volcanic archipelago in the Pacific Ocean. It's considered one of the world's foremost destinations for wildlife-viewing. A province of Ecuador, it lies about 1,000km off its coast. Its isolated terrain shelters a diversity of plant and animal species, many found nowhere else. Charles Darwin visited in 1835, and his observation of Galápagos' species later inspired his theory of evolution.The Galapagos Islands is an island group (archipelago) and is made of 20 islands, 42 islets, and over 250 rocks Charles Darwin Charles Darwin Charles Robert Darwin, FRS FRGS FLS FZS was an English naturalist, geologist and biologist, best known for his contributions to the science of evolution.