San Pedro de Atacama is a true hub for tourism, allowing access to many sites like geysers, salt lakes, historical cities, and more. Given that all these locations are so close, it is no surprise that the town became so popular with tourists as a sort of base camp. However, not all of the things that are close by are equally popular, some undeservingly so. The Yerbas Buenas petroglyphs are one such site that you won’t find on most destination guides. However, they are arguably one of the most interesting…