I am glad that you are interested in Chinese culture and eager to explore more.
I think the Ancient Poetry is your best choice. By learning Chinese ancient poems, you can have an extensive knowledge of history and culture in ancient China. Also, you can feel the charm of the language by reading poems, which helps to improve your Chinese. To follow the course well, you’d better read and recite as many poems as possible. Besides, it is a good idea to search for related background knowledge so that you will fully understand the conception of poetry.
What you do think of the course? I am sure you will have a lot of fun from it.