The Lost City is a Colombian archaeological site located in the Sierra Nevada de Santa Marta, in the department of Magdalena, Colombia.

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It is said that its construction was from the year 700 AD to 1000 AD, by an ancestral indigenous culture called Tayrona, which took around 400 years to complete its construction.

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It was an indigenous city, with a structure that even after 400 years is amazing, since its discovery in 1972 by grave diggers, when they were searching and exploring new places to find more gold.

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In 1976 an expedition led by Gilberto Cadavid and Luisa Fernanda Herrera and made up of 3 archaeologists, an architect and 2 guaqueros (who served as guides) and after almost 12 days of crossing they reached the very heart of the archaeological site where they collected sufficient evidence and They took them to the country's capital so that the then President Alfonso López Michelsen approved the budget for the recovery of the so-called Buritaca 200.

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Members of the local tribes, the Arhuaco, the Kogis and the Wiwas, have stated that they visited the site regularly before it was widely discovered, but had remained silent about it. They call the lost city "Teyuna" and believe that it was the heart of a network of villages inhabited by their ancestors, the Tayrona.

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Lost City was probably the region's political and manufacturing center on the banks of the Buritaca River and may have housed 2,000 to 3,000 people. It was apparently abandoned during the Spanish conquest.