Koza Cave is one of the most beautiful landmarks in Zanzibar, and a place frequented by tourists who want to learn about the natural beauty of the country. This cave consists of limestone with curved edges formed over millions of years, and fresh water of an amazing turquoise color passes through it. The cave is surrounded by a quiet nature reserve with rare trees and plants, and a large number of distinctive animals such as red colobus monkeys, wild deer and many others.