Its famous stone sundial is dedicated to Inti, an Incan sun god.  
In 1995, this site's Condor Temple was found to feature a hidden series of caves leading to a deep, narrow hole that was probably made 530 years ago.  Buildings here include the Tower of the Sun and the Temple of the Three Windows.  The stones in its walls were carved so precisely that a knife cannot fit between them, despite the fact that no mortar was used.  Its famous stone sundial is dedicated to Inti, an Incan sun god.  FTP, name this Incan city in the Andes rediscovered in 1911 by Hiram Bingham.
In 1995, this site's Condor Temple was found to feature a hidden series of caves leading to a deep, narrow hole that was probably made 530 years ago.  
Machu Picchu