Caprona is a fictional land featured in the novel "The Secret of Caprona" by Edgar Rice Burroughs. It is depicted as a prehistoric world filled with various creatures and unique landscapes. The story follows the adventures of characters who navigate this mysterious environment, encountering challenges and discovering the secrets of Caprona. The setting of Caprona is characterized by its lush jungles, towering mountains, and ancient ruins. The inhabitants include a mix of humans and fantastical beings, creating a rich tapestry of life. The narrative explores themes of survival, exploration, and the clash between civilization and nature.