Watchmen is a graphic novel written by Alan Moore and illustrated by Dave Gibbons. It is set in an alternate version of the United States where superheroes exist. The comic art in Watchmen is visually stunning, with intricate panel layouts and a gritty, noir-inspired style. The story is complex and explores themes of power, morality, and the nature of heroism. It is widely regarded as one of the greatest comic books of all time.