If you want to experience an unusual event, come to this town for a carnival which takes place every year and is popular in the whole region.
Wikipedia http://en.wikipedia.org/wiki/Huejotzingo#Carnival
Address 308 Avenida de las Huertas, Huejotzingo 74160, Mexico
Coordinates 19°9'37.001" N -98°24'15.365" E