"The Lord of the Rings: The Return of the King" (2003)
"The Return of the King" grossed $378 million, earning the most of "The Lord of the Rings" trilogy. All of the adaptations of author J.R.R. Tolkien's series earned more than $315 million.
16 of the Highest Grossing Book-to-Big Screen Adaptations of All Time
From "Twlight" to "Harry Potter" to "The Dark Knight" — here are some of the most successful literary adaptations at the domestic box office
