* Titanic (1997): A romantic epic that broke box office records and remains one of the highest-grossing films of all time.
* The Terminator (1984): A science fiction action film that established Cameron's career and spawned a successful franchise.
* Aliens (1986): A sequel to the 1979 film "Alien," considered a classic of the science fiction genre.
* Terminator 2: Judgment Day (1991): A sequel to "The Terminator," considered by many to be the best film in the franchise.
* Avatar (2009): A groundbreaking science fiction film that set new standards for visual effects and became the highest-grossing film worldwide until recently.
It's impossible to pick just one "most famous" film, as they all have significant cultural impact and recognition.