Scotland, the northernmost country in the United Kingdom, is a land of natural areas in mountains, such as the Cairngorms and the North West Highlands, interspersed with glacial valleys and lochs. Its main cities are Edinburgh, the capital, with its inconic castle on a hill, and Glasgow, famous for its lively cultural atmosphere. Scotland is also famous for golf, the first game of which was played on the Old Course at St Andrews in the 15th century.