This top 10 list of best practical effects of all time is pretty much spot on. Not a single bit of computer graphics were used in these spectacular shots and some of them will really surprise of you. Like the airplane heist in The Dark Knight Rises, which was filmed in real life, with real airplanes and stuntmen.
Here's the list, but watch the video for the specific scenes.
10. The Lord of the Rings Trilogy (2001-2003)
9. An American Werewolf in London (1981)
8. The Thing (1982)
7. The Ten Commandments (1956)
6. Star Wars: A New Hope (1977)
5. Jason and the Argonauts (1963)
4. 2001: A Space Odyssey (1968)
3. Royal Wedding (1951)
2. The Dark Knight Rises (2012)
1. Terminator 2: Judgement Day (1991)