Hiram Bingham III Stuart McNairn whose descendants claim that they had already climbed to the ruins in 1906). Also the Cusco explorers Enrique Palma, Gabino Sanchez and Agustín Lizarraga are said to have arrived at the site in 1901. Bingham returned to Peru in 1912, 1914 and 1915 with the support of Yale and the National Geographic Society. In "The Lost City of the Incas" (1948), Bingham related how he came to believe that Machu Picchu housed a major religious shrine and served as a training center for religious leaders. Modern archaeological research has since determined that the site was not a religious
Hiram Bingham III center but a royal estate to which Inca leaders and their entourage repaired during the Andean summer. Machu Picchu has become one of the major tourist attractions in South America, and Bingham is recognized as the man who brought the site to world attention, although many others helped to bring this site into the public eye. The switchback-filled road that carries tourist buses to the site from the Urubamba River is called the Hiram Bingham Highway. Bingham has been cited as one possible basis for the Indiana Jones character. His book "Lost City of the Incas" became a bestseller upon