Features, including nature, history, and central location on the Turkish riviera have made Antalya's airport one of the busiest on the Mediterranean.Kaleiçi, the restored historical center of the city -with its hotels, bars, clubs, restaurants, and shopping- retains much of its historical character; its restoration won the Golden Apple Tourism Prize. Antalya has beaches including Konyaaltı, Lara and Karpuzkaldıran. For winter sports, Beydağları and Saklikent are both natural beauties of the city. There are a large number of mosques, churches, madrasahs, masjids, hans and hamams in the city. Kaleiçi, the harbor, which the city walls enclose, is the oldest part of the city. Kaleiçi features many historic houses with traditional Turkish and local Greek architecture.