Here you go:
The Hobbit (okay I know that's obvious)
Dark Crystal
Pan's Labyrinth
The Last Unicorn (animated classic)
The Thief Lord
The Princess Bride
Labyrinth (w/ David Bowie)
Legend (w/ Tom Cruise)
Clash Of The Titans (the original)
Golden Voyage of Sinbad
Timeline
Count Of Monte Cristo (2002)
The 13th Warrior
Hellboy
Journey To The Center of The Earth (original, remake OK)
The Illusionist
The Mummy (Brendan Fraser)
King Arthur (Clive Owen)
Excalibur (1980's?)
The Seeker: The Dark Is Rising
Ivanhoe (1982)
Dungeons And Dragons (bit cheesy)
The Neverending Story (1st one DON'T WATCH THE THIRD WHATEVER YOU DO YOUR BRAIN WILL MELT)
The Waterhorse
The Keep (1983)
Beastmaster
Blood And Chocolate
Underworld
Edit: yeah listen to the person above me Studio Ghibli films are amazing.