There are a lot of aesthetic things in The Lord of the Rings such as settings that most of them take in real place of New Zealand. If you interested in it, you can make a trip to there for seeing real beauty. There are many of tours in Internet you can search on.
Lighting is also one of the parts of aesthetic, there are two techniques. There are natural light and low-key lighting. Most of scenes are filmed outside, it makes film look real and pleasant to look at and it uses for showing the audience that they separate scene between good vs. evil.
Moreover, Music has 4 types for different scenes.