7. El Tajín
El Tajin has stone monuments and pyramids that date back centuries. All these monuments stand on a green valley. The most dominant among these structures is the Niches Pyramid, which is 18 meters tall and has seven tiers of small niches looking like small windows.
Pyramid of the Niches at El Tajin
The niches are 365 in number to represent the total number of days according to the solar calendar. Apart from these niches, the site also boasts of wonderful wall paintings with amazing colors.