St. John's, a city on Newfoundland island off Canada's Atlantic coast, is the capital of Newfoundland and Labrador province. Its harbour was settled by the British in the 1600s. Downtown is known for its colourful row houses. Above the city is Signal Hill with walking trails and the site of the first transatlantic wireless communication, Cabot Tower, which commemorates John Cabot's discovery of Newfoundland.