Explore stone town the atmospheric cultural and historical heart of zanzibar city on this 3 hour walking tour with a guide constructed from coral stone in the 19th and 20th centuries stone town was declared a unesco world heritage site in 2000 youll get to know the town as you see heritage sites and architecture visit a local marketplace check out the church and memorial at the old slave market admire the former home of the sultan and do some shopping with the help of your guide tour