For a deeper understanding of San Pedro, take an edifying stroll with this friendly outfit. On two-hour walks around the village and its outskirts, enthusiastic guides relate fascinating episodes from San Pedro's past, touching on indigenous beliefs and symbols, desert plants and hallucinogens, and even a bit of celestial mythology. Tours are offered in Spanish and English.
As per the name, there's no charge, though tips are highly encouraged. No need to book, just show up in the plaza at 10am or 3pm and look for the guides in red-and-white striped shirts.