Machu Picchu Picchu a "historic sanctuary". In addition to the ruins, the sanctuary includes a large portion of the adjoining region, rich with the flora and fauna of the Peruvian Yungas and Central Andean wet puna ecoregions. In 1983, UNESCO designated Machu Picchu a World Heritage site, describing it as "an absolute masterpiece of architecture and a unique testimony to the Inca civilization". Bingham was a lecturer at Yale University, although not a trained archaeologist. In 1909, returning from the Pan-American Scientific Congress in Santiago, he travelled through Peru and was invited to explore the Inca ruins at Choqquequirau in the Apurímac
Secret of the Incas with many of the scenes in "Secret of the Incas" bearing a striking resemblance in tone and structure to scenes in "Raiders of the Lost Ark". Throughout "Secret of the Incas", the main character, Harry Steele, can be seen wearing the "Indiana Jones" outfit: brown leather jacket, fedora, tan pants, an over-the-shoulder bag, and revolver. The character also sometimes wears a light beard, unusual for films of its time, and there is a tomb scene involving a revelatory shaft of light similar to the "Map Room" sequence in "Raiders". "Raiders"' costume designer Deborah Nadoolman Landis noted that the inspiration for