Following ship surgeon Lemuel Gulliver, Jonathan Swift's satire, Gulliver's Travels, is a humorous critique of the darker aspects of human nature. During his voyage, Gulliver visits four islands, each more bizarre and fantastical than the last. From tiny people to giants, from majestic horses to scarily humanoid "Yahoos, " each of the island inhabitants creates an experience that no one is likely to forget.