From iconic regional styles to frozen aisle staples, this ranking explores the vast and delicious world of pizza in all its forms. Discover how classic varieties like New York's foldable slices, Chicago's deep dish, and authentic Neapolitan stack up against Detroit's rectangular pans and New Haven's coal-fired pies. But it doesn't stop at traditional pizzerias—frozen favorites like DiGiorno and Totino's Pizza Rolls enter the arena alongside fast-food chains such as Little Caesars and Domino's. Even unconventional entries like Taco Bell's Mexican Pizza, the peculiar Altoona style, and the audacious pizza cake make appearances. Whether you're a purist who swears by regional authenticity or someone who appreciates the convenience of a Costco slice, this comprehensive ranking celebrates every corner of pizza culture.