Just outside of Puebla is the city of Cholula, where we went for our second day in Mexico. For the first time, we were going to see some pyramids! But before we could see any of those, we first headed to the zócalo (the main plaza) for a bit of history. Apparently, Cholula has been inhabited since 500 B.C., which makes it the oldest living city in North America. It also happens to have the world’s largest pyramid in base area. But that’s not all. There is also a legend claiming that the city has 365 churches, one for every day …