Doha, capital of the peninsular Persian Gulf country Qatar, is a modern city on Doha Bay. Ringing its downtown waterfront are numerous parks and the Corniche Promenade. On a man-made island, the I.M. Pei–designed Museum of Islamic Art houses an extensive collection from across the Muslim world. At Souq Waqif, a traditional market, vendors offer goods like clothing, crafts and spices.