Built high in the Peruvian Andes on the western edge of the Amazon Basin, the Inca stronghold of Machu Picchu has astounded .

The final session in this unit crosses the Atlantic further west to the mountains of Peru where, at the mysterious Machu Picchu, we reconstruct an Inca astronomical Temple of the Sun amidst rock ...

Although the Inca Empire reigned across the Americas for just one century, its greatest legacy, Machu Picchu, has intrigued .