1. Fahrenheit 9/11
- Year it won the Palme D'or: 2004
- US Domestic gross: $119,194,771
- Worldwide gross: $222,446,882
A critical look at the presidency of George W. Bush, the war on terror, and its coverage in the news media. Michael Moore's Fahrenheit 9/11 debuted at Cannes 2004 and received a 20-minute standing ovation, the longest in the festival's history. It is the highest-grossing documentary of all time in the US domestic box office.