Inca Trail to Machu Picchu terminus at the Sun Gate on Machu Picchu mountain. The two longer routes require an ascent to beyond above sea level, which can result in altitude sickness. Concern about overuse leading to erosion has led the Peruvian government to place a limit on the number of people who may hike this trail per season, and to sharply limit the companies that can provide guides. As a result, advance booking is mandatory. A maximum of 500 people are allowed on the trail each day, of which only 200 are trekkers, the rest being guides and porters. As a result, the high
Lost City of the Kalahari Lost City of the Kalahari The Lost City of the Kalahari is a historical mystery of exploration and archaeology dating to the end of the 19th century. The history reports the existence of a ruined city found in the Kalahari Desert in southern Africa. In 1885, the Canadian Guillermo Farini (pseudonym of William Leonard Hunt) was one of the first westerners to cross the unexplored portion of the Kalahari. On his return to Europe, he published a book detailing his experiences which included descriptions of unusual rock formations which he believed to be ruins of hitherto unknown buildings. Farini subsequently