Out of the top 100 movies on this list, I haven't seen 36 of them, marked with an X.
http://www.imdb.com/chart/top
1. The Shawshank Redemption (1994)
2. The Godfather (1972)
3. The Godfather: Part II (1974)
4. Pulp Fiction (1994)
5. The Dark Knight (2008)
6. The Good, the Bad and the Ugly (1966) X
7. 12 Angry Men (1957) X
8. Schindler's List (1993)
9. The Lord of the Rings: The Return of the King (2003)
10. Fight Club (1999)
11. The Lord of the Rings: The Fellowship of the Ring (2001)
12. Star Wars: Episode V - The Empire Strikes Back (1980)
13. Inception (2010)
14. One Flew Over the Cuckoo's Nest (1975)
15. Forrest Gump (1994)
16. Goodfellas (1990)
17. The Lord of the Rings: The Two Towers (2002)
18. Star Wars: Episode IV - A New Hope (1977)
19. The Matrix (1999)
20. Seven Samurai (1954) X
21. City of God (2002) X
22. Se7en (1995)
23. The Usual Suspects (1995)
24. Once Upon a Time in the West (1968) X
25. The Silence of the Lambs (1991) X
26. It's a Wonderful Life (1946)
27. Casablanca (1942)
28. Léon: The Professional (1994)
29. Raiders of the Lost Ark (1981)
30. Rear Window (1954)
31. Life Is Beautiful (1997) X
32. Psycho (1960)
33. American History X (1998) X
34. City Lights (1931) X
35. Saving Private Ryan (1998)
36. Spirited Away (2001) X
37. Memento (2000)
38. Sunset Blvd. (1950)
39. Terminator 2: Judgment Day (1991)
40. The Intouchables (2011)
41. Modern Times (1936) X
42. Dr. Strangelove: How I Learned to Stop Worrying and Love the Bomb (1964)
43. Apocalypse Now (1979)
44. The Pianist (2002)
45. The Departed (2006)
46. The Green Mile (1999)
47. The Dark Knight Rises (2012)
48. Back to the Future (1985)
49. Alien (1979) X
50. Gladiator (2000)
51. Django Unchained (2012)
52. The Wolf of Wall Street (2013) X (plan to see this weekend)
53. The Lives of Others (2006) X
54. The Shining (1980)
55. The Great Dictator (1940) X
56. The Prestige (2006)
57. Cinema Paradiso (1988) X
58. North by Northwest (1959)
59. Paths of Glory (1957) X
60. American Beauty (1999)
61. WALL·E (2008)
62. Amélie (2001) X
63. Citizen Kane (1941)
64. Aliens (1986) X
65. The Lion King (1994)
66. Toy Story 3 (2010)
67. Vertigo (1958)
68. M (1931) X
69. Taxi Driver (1976) X
70. Double Indemnity (1944)
71. Das Boot (1981) X
72. A Clockwork Orange (1971) X
73. To Kill a Mockingbird (1962)
74. Oldboy (2003) X
75. Reservoir Dogs (1992)
76. Requiem for a Dream (2000)
77. Princess Mononoke (1997) X
78. Once Upon a Time in America (1984)
79. Lawrence of Arabia (1962)
80. Star Wars: Episode VI - Return of the Jedi (1983)
81. Braveheart (1995)
82. Eternal Sunshine of the Spotless Mind (2004) X
83. Grave of the Fireflies (1988) X
84. 12 Years a Slave (2013) X
85. Singin' in the Rain (1952)
86. Witness for the Prosecution (1957) X
87. Bicycle Thieves (1948) X
88. Full Metal Jacket (1987)
89. The Sting (1973)
90. All About Eve (1950)
91. Monty Python and the Holy Grail (1975)
92. Amadeus (1984)
93. The Treasure of the Sierra Madre (1948) X
94. Rashomon (1950) X
95. The Third Man (1949) X
96. Some Like It Hot (1959)
97. The Apartment (1960) X
98. L.A. Confidential (1997)
99. Snatch. (2000) X
100. A Separation (2011) X