Machu Picchu is on UNESCO's List of World Heritage Sites since 1983, as part of a whole cultural and ecological complex known as the Historic Sanctuary of Machu Picchu.In May 2005, the ancient Jordanian city of Petra was "sister" with that of Machu Picchu.
On July 7, 2007 Machu Picchu was declared one of the new wonders of the world in a ceremony held in Lisbon, Portugal, after the participation of one hundred million voters around the world and...
