Robin Hood: Prince of Thieves
Lord of the Rings Trilogy (this might be cheating, but like the Mass Effect trilogy in gaming, I simply view these as parts of a whole)
The Dark Knight
Outside of Gladiator, which is in fact my favorite, these aren't in any particular order. Narrowing it down to 10 is insanely hard though. There's so many fantastic movies. I could do honorable mentions for days
You appear to have great taste in films, since this is my top film of all time too, lol :P
Gets me right in the feels every time!