Only ever seen by a few people over the past century, the Inca site of Inkaraqay located on an inaccessible and nearly vertical side of the Huayna Picchu mountain that overlooks Machu Picchu, is only now being revealed to the wider world. With the appearance of a fort hanging on to the sheer drop that gives way to the Vilcanota river and the well-known moon temple below, its huge walls and terraces covering 4,500 square metres are actually agricultural in nature.