This article was originally published on mentalfloss.com as 13 Amazing Facts About Machu Picchu. Alternately defined as a sanctuary and a citadel, Machu Picchu was constructed sometime in the mid ...

Here’s a cool fact to share with children visiting Machu Picchu in Peru—the place probably would never have been discovered without the help of a kid just like them. You see, after two years ...

Machu Picchu is the granddaddy of archeological sites ... All trekkers must go with an organized group or guide; Llama Path and Alpaca Expeditions are popular, reputable options.