Ship of Fools is a rock composition written by Jim Morrison and Robby Krieger for The Doors' 1970 album Morrison Hotel. The song opens with a buoyant, syncopated guitar riff that Krieger developed from an old blues tune he had heard in high school, though the specific source remains unidentified. Morrison contributed lyrics steeped in apocalyptic imagery and countercultural themes, drawing on the metaphor of a doomed sea voyage borrowed from Katherine Anne Porter's 1962 novel of the same name. Where Porter used the conceit to examine the rise of fascism, Morrison adapted it to critique capitalism, environmental destruction, and planetary consciousness in the wake of events like the Apollo 11 moon landing. The composition blends elements of blues, jazz, and pop within a rock framework, featuring shifting time signatures and tight interplay among guitar, keyboards, and bass. A musical interlude between the second and third verses introduces a prog-like passage that briefly expands the harmonic palette before returning to the central riff. Morrison's naval family background, particularly his father's career as a sailor, likely informed the maritime imagery that pervades the lyric. The song was included on The Doors' 1972 compilation Weird Scenes Inside the Gold Mine and has remained a respected deep cut in their catalog, though it has not been widely covered by other artists.