Ever since Fellowship of the Ring's release, perhaps the biggest Lord of the Rings talking point (aside from Viggo Mortensen really breaking his toe on that helmet) has been the question of why they didn't just take the eagles to Mordor. Comedy musician Tom Cardy has released an excellent music video putting the debate to rest: they spent most of the book walking because Tolkien said so, and he'll throw you out a window if you ask questions.
Did you find all 20 hidden Gollums?