For what is machu picchu famous for?

Machu Picchu is well known because it was built by human hands for so many years, by a very advanced and also almost unknown civilization, and it was sitting in silence at the top of the world for at least 1000 years. Now is that cool or what?

Machu Picchu is one of The Seven Wonders of the World, Machu Picchu is in Cusco Peru and is beautiful and sacred, you can visit Machu Picchu, SacsayHuaman, Choquequirao, Ollantaytambo, sacred Valley by Inca Trail or train.