Originally published in 1820, Symzonia: A Voyage of Discovery, penned under the pseudonym Captain Adam Seaborn, is the first American science fiction novel. (Seaborn's real name was Nathaniel Ames.)
The story blends adventure with speculative philosophy, following an expedition to the Earth's hollow interior. It explores utopian societies while critiquing human folly, ambition, and the perils of imperial conquest.
