Here are links to the American Film Institute’s 1998 and 2007 lists of the Top 100 movies of all time…and to the other Top 100 (and in some cases Top 25) compilations they’ve done over the years.
Top 100 List (1998): http://afi.com/100years/movies.aspx
Top 100 List (2007): http://afi.com/100years/movies10.aspx
Top 50 Stars: http://afi.com/100years/stars.aspx
Top 100 Laughs: http://afi.com/100years/laughs.aspx
Top 100 Thrills: http://afi.com/100years/thrills.aspx
Top 100 Passions: http://afi.com/100years/passions.aspx
Top 100 Heroes & Villains: http://afi.com/100years/handv.aspx
Top 100 Songs: http://afi.com/100years/songs.aspx
Top 100 Quotes: http://afi.com/100years/quotes.aspx
Top 25 Music Scores: http://afi.com/100years/scores.aspx
Top 25 Musicals: http://afi.com/100years/musicals.aspx
Top 100 Cheers: http://afi.com/100years/cheers.aspx
Top 100 Genres (10 Movies x 10 Genres): http://afi.com/10top10/