The term refers to a literary work, typically a novel, centered on the premise of a landmass that is either physically lost to time or hidden from the wider world. Such narratives frequently involve themes of exploration, discovery, and the potential consequences of encountering isolated civilizations or unique ecosystems. An example is a narrative where a group of explorers embarks on a perilous journey to locate a fabled landmass rumored to possess untold riches and ancient secrets.
These fictional accounts offer several benefits. They provide an escape into imaginative worlds, stimulate critical thinking through complex plots and characters, and often explore profound themes of human nature, societal development, and the impact of encounters with the unknown. Historically, these stories have served as metaphors for colonial exploration and the anxieties associated with encountering new cultures, while also fueling scientific curiosity about the potential existence of undiscovered lands.