Enjoy and learn about the culture and history in Stone Town as you walk past its attractions, including a Portuguese fort, the Sultan Palace, and the birthplace of Freddie Mercury, A tour to Prison Island, famous for its population of giant tortoises. A tour to Mnemba Island, for snorkeling, swimming with dolphins. A chance for the historic attractions of Zanzibar's UNESCO-listed downtown Learn about the long history and many cultural influences that created Stone Town as it is today. Visit the giant tortoise colony on Prison Island National park