The 15 most successful Oscar best-picture winners, ranked

As we draw closer to the 2016 Academy Awards on February 28, it's time to dive into the numbers and check out which of the best-picture winners are the biggest moneymakers of all time at the box office.

There are some obvious ones here, but thanks to inflation, there are a few titles that may surprise you — including a not-so-little film from the 1930s.

Here are the top 15.

Note: All box-office figures provided by Box Office Mojo.

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15. "The Best Years of Our Lives" (1946) $478.5 million — unadjusted $23 million

14. "Rocky" (1976) $478.8 million — unadjusted $117 million

13. "Lawrence of Arabia" (1962) $481 million — unadjusted $44.8 million