Trail of Feathers powerful hallucinogen? After gathering equipment in London—and advice from the British explorer Wilfred Thesiger—the long quest began. Shah went first to the mountains of Peru and a trek to Machu Picchu, the Incas’ most sacred city, then on to the mountain city of Cusco and a mysterious island on the great glittering expanse of Lake Titicaca. Picking up clues as he went, Shah's trail took him on to the coast and through the desert, to the immense animal-like etchings which form the Nazca Lines, and a remote burial ground for thirty thousand mummified corpses. And finally he took an extended
Machu Picchu drawings. It was used for rites or sacrifices. The Guardhouse is a three-sided building, with one of its long sides opening onto the Terrace of the Ceremonial Rock. The three-sided style of Inca architecture is known as the "wayrona" style. In 2005 and 2009, the University of Arkansas made detailed laser scans of the entire site and of the ruins at the top of the adjacent Huayna Picchu mountain. The scan data is available online for research purposes. This semicircular temple is built on the same rock overlying Bingham's "Royal Mausoleum", and is similar to the Temple of the Sun