The country famous for the ruins of Machu Picchu is Peru. This iconic archaeological site is situated high in the Andes Mountains and represents the Inca civilization's architectural prowess. Believed to be a royal estate or sacred religious site, Machu Picchu features stunning stone structures and terraces. Discovered in 1911 by historian Hiram Bingham, it has since become one of the most visited tourist destinations in the world. UNESCO designated it a World Heritage site due to its historical and cultural significance.