About Machu Picchu It’s no wonder Machu Picchu is Peru’s most-visited site. Dating to the mid-1400s, it’s a marvel of mortar-free limestone architecture perched on a high plateau deep in the Amazonian jungle.
https://www.tripadvisor.com/Tourism-g294318-Machu_Picchu_Sacred_Valley_Cusco_Region-Vacations.html

