Cape Coast Castle, Gold Coast, West Africa, c1890.

Cape Coast Castle, Gold Coast, West Africa, c1890. The Castle was originally built for the trade in timber and gold, and was later used in the trans-Atlantic slave trade. In 1957, the Gold Coast became the first sub-Saharan country in colonial Africa to become independent, and was renamed Ghana. An engraving from Robert Brown's The Countries of the World, published by Cassell, (London & Paris, c1890). (Photo by The Print Collector/Print Collector/Getty Images)