UNESCO world heritage sites

18 photos of the Wind cave, with its impressive rock formations

43 photos of Melaka (also known as Malacca), Malaysia's most historic city

14 photos of the Andalus quarter, the southern section of the Fes el Bali medina

20 photos of the central part of the Fes el Bali medina, between the Rcif square and the Bab Bou Jeloud gate

21 photos of the Rcif square, in the heart of the Fes el-Bali medina

23 photos of the the western part of the Fes el Bali medina

21 photos of the Djemaa el Fna, the main square in Marrakech with food stalls and street artists

13 photos of the Kasbah, the ancient royal quarter, and the Mellah, the former Jewish quarter

17 photos of the souks of Marrakech, an area with small alleys and arcades with shops selling handicrafts and local wares

19 photos of the El-Hedim square which lies between the medina and the Imperial City and of the Imperial City

21 photos of the charming medina of Meknes, with its souks, mosques and medersas

15 photos of the well-preserved mosaics in the buildings of Volubilis

21 photos of the ruins of the basilica, the triuphal arch, Roman temples and several houses

31 photos of Bhaktapur, the most medieval of the three major cities in the Kathmandu valley

43 photos of Kathmandu, the capital of Nepal

26 photos of Patan, the second largest town in the Kathmandu valley

14 photos of the royal castle in Warsaw's Old Town

24 photos of the Old Town in Warsaw, with the old town square