Top 10 All-Time Worldwide Box Office Gross

As of 2010-01-04

1. Titanic (1997) $1,835,300,000
2. The Lord of the Rings: The Return of the King (2003) $1,129,219,252
3. Pirates of the Caribbean: Dead Man's Chest (2006) $1,060,332,628
4. Avatar (2009) $1,022,314,898
5. The Dark Knight (2008) $1,001,921,825
6. Harry Potter and the Sorcerer's Stone (2001) $968,657,891
7. Pirates of the Caribbean: At World's End (2007) $958,404,152
8. Harry Potter and the Order of the Phoenix (2007) $937,000,866
9. Harry Potter and the Half-Blood Prince (2009) $933,956,980
10. Star Wars: Episode I - The Phantom Menace (1999) $922,379,000

The complete list of 389 can be found here

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