1) Archaeology of Mexico 
Plazuelas is a prehispanic archaeological site located just north of San Juan el Alto, some 2.7 kilometers (1.57 mi.) north of federal highway 90 (Pénjamo-Guadalajara), and about 11 kilometers (6.8 mi.) west of the city of Pénjamo in the state of Guanajuato, Mexico. The site is open to the public; it is dominated by a large, rectangular plaza wi...