Box Office Gross:
* Avatar (2009): Holds the record for highest worldwide gross (adjusted for inflation) at $2,923,706,026.
* Avengers: Endgame (2019): Holds the record for highest unadjusted worldwide gross at $2,797,501,328.
Critical Acclaim:
* Citizen Kane (1941): Often considered one of the greatest films ever made, consistently topping critics' lists.
* Casablanca (1942): Another classic frequently lauded for its storytelling and impact.
* The Godfather (1972): Widely praised for its acting, direction, and storytelling.
Cultural Impact:
* Star Wars (1977): Revolutionized science fiction cinema and spawned a massive franchise.
* Jaws (1975): Changed the landscape of horror films and created lasting cultural impact.
* The Wizard of Oz (1939): A beloved classic that remains culturally relevant and influential.
Profitability:
* Avatar (2009): While expensive to make, it generated massive profits due to its box office success.
* Titanic (1997): Another highly profitable film with huge box office returns.
Other factors:
* Awards: Movies like "The Lord of the Rings: The Return of the King" and "Ben-Hur" have won multiple Academy Awards.
* Legacy: Films like "Gone with the Wind" and "The Sound of Music" have endured through generations and remain popular today.
Ultimately, the "most successful" movie is subjective and depends on what criteria you prioritize.