1. The Galapagos Islands are a volcanic archipelago located in the Pacific Ocean that are renowned for their unique biodiversity. They contain many endemic species and were the location where Charles Darwin developed his theory of evolution.
2. The islands have a long history beginning with their geological formation and subsequent human discovery and settlement. They were declared a UNESCO World Heritage Site in 1979 due to their environmental significance.
3. There are 19 main islands that make up the Galapagos, each with unique landscapes, wildlife, and histories. They face threats from invasive species and impacts of tourism but remain a natural paradise home to many iconic endemic species like giant tortoises.