How paintings of the Misty Mountains or Mordor evoke "The Sublime" (terror mixed with beauty).

To help you flesh this out into a full essay or presentation:

The contrast between the pastoral, English-inspired Shire and the industrial, Gothic aesthetic of Isengard.

Tolkien’s own watercolor sketches (e.g., The Hill: Hobbiton-across-the-Water ). Emphasis on "light and distance" rather than hyper-realism.

💡 Tolkien believed art should be "sub-creative," meaning it must feel like it belongs to a world with its own history and internal logic, rather than just being a literal depiction of text.