A masterpiece, magnum opus, or chef-d'œuvre (French for 'master of work'; pl. chefs-d'œuvre; French: [ʃɛ.d‿œvʁ]) is a creation that has been given much critical praise, especially one that is considered the greatest work of a person's career or a work of outstanding creativity, skill, profundity, or workmanship.
Historically, a "masterpiece" was a work of a very high standard produced to obtain membership of a guild or academy in various areas of the visual arts and crafts.
the best known, the most visited, the most written about, the most sung about, the most parodied work of art in the world