Galapagos Islands Cruises operate year-round and nature-loving visitors can expect to be stunned by the flora and fauna in any month The Galapagos Islands were first made famous when British scientist Charles Darwin based his 'Theory of Evolution' on his findings there.Made up of a cluster of around 13 volcanic islands, around 95% of this area is now part of the Galapagos National Park system and declared a UNESCO World Heritage Site.. A Galapagos cruise will offer a truly unique experience. You can expect to encounter giant tortoises, penguins, sea lions, lizards, and a whole host of diverse bird species.