Created 07/16/2012 - 10 months ago
See photos of UNESCO World Heritage sites (including Machu Picchu, Petra, Timbuktu, the Great Wall, and more) in this travel photo gallery from National Geographic.
Source
travel.nationalgeographic.comwe hope to visit them all “@NatGeoTraveler: #Photos: 11 extraordinary places worth protecting http://t.co/UkknRpDq”
