Hey, I am sure there are subjects, which you can take given these interests of yours and come up with topics for them hahaha.
Agriculture ->Environmental Systems and Societies or Bio. Both have ecology, soil structures and plants as a big share of their curriculum. So a study on agricultural practices of a certain region, the growth of particular plants in certain soils, use of fertilizer and its adverse effects etc could all be cool.
Greek Gods -> You could analyze traditional Greek literature in subjects like English Lit., many books both ancient and modern focus on it (from