House of the High Priest
Opposite the Principal Temple.
At the back of the Intihuatana another staircase descends to the Central Plaza.
Towards the end of the Inca Trail, you'll reach the beautiful, well-restored ruin of Phuyupatamarka (Town Above the Clouds), about 3600m...
Lonely Planet review
Below the Temple of the Sun, this almost hidden, natural rock cave was carefully carved by Inca stonemasons. Its use is highly debated; though known as the Royal Tomb, no mummies were actually ever found here.