The archipelago known for its unique wildlife, studied by **Charles Darwin**, is the **Galápagos Islands**. Located in the Pacific Ocean, these islands are a part of Ecuador and are famed for their biodiversity. Darwin's observations during his visit in 1835 contributed to his theory of **evolution by natural selection**. The Galápagos Islands are home to several endemic species, such as the **Galápagos tortoise** and the **marine iguana**. Today, the islands are a protected national park and a UNESCO **World Heritage Site**, attracting researchers and eco-tourists from around the globe.