I love Grieg's "Peer Gynt" myself. If you haven't listened to it, I almost guarantee it will be one of those compositions that you will instantly recognize parts of:
When this piece, "Morning Mood" swells it gives me chills every time. It's stunning:
I also love how In the Hall of the Mountain King builds slowly to a frenzy. Makes me think of dwarves and trolls. Now you will too

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And I also love Tchaikovsky. I am still 100% convinced that John Williams essentially rearranges his work and puts it in movies.
I love how 1812 overture really tells a story through song:
Just a few of my favorite classical bits!
Incidentally, I think this may be the least crazy post I have ever made on these boards.