A trip in Peru would not be complete without a trek to Machu Picchu, thesite of an ancient Inca city located in the Andes mountains. Situated at 2,430meters above sea level, it is a UNESCO World Heritage site. The Incas startedbuilding the site at around 1430, but it was abandoned about a hundred yearslater during the Spanish conquest of the Inca Empire (even though the Spanishconquistadors n Travel – GuideTo.Com...