Machu Picchu transport of this obsidian type in pre-Hispanic Peru. Thousands of tourists walk the Inca Trail to visit Machu Picchu each year. They congregate at Cusco before starting on the one-, two-, four- or five-day journey on foot from kilometer 82 (or 77 or 85, four/five-day trip) or kilometer 104 (one/two-day trip) near the town of Ollantaytambo in the Urubamba valley, walking up through the Andes to the isolated city. Machu Picchu is both a cultural and natural UNESCO World Heritage Site. Since its discovery in 1911, growing numbers of tourists have visited the site each year, including 1,411,279 in 2017.
Lost City of the Kalahari Clement had found a geological curiosity, dating back 180 million years to the great upheaval accompanying the birth of the Drakensberg Mountains in South Africa. The stones are composed of dolerite, a particular type of igneous rock which can erode to give the appearance of straight and regular blocks suggesting artificial construction. On 27 January 2016, the Travel Channel aired an episode of "Expedition Unknown" called "Kalahari Desert's Lost City", in which the host, Josh Gates, found man-made walls and rocks with art work in an area that matched Farini's description of the Lost City. Lost City of the Kalahari