I'm really glad I went here. This is outside the Maya domain, but there are a lot of Maya styles used, as well as those of the Teotihuacanos. If one is not on an organized tour, one may take a bus from Cuernavaca. The site is on top of a very tall hill, and it is quite a distance to get to the hill from the main road, and then a lot of uphill walking. If one is not very fit, or is pressed for time, it would be best to take a taxi or bus all the way up the hill from Cuernavaca itself. There is a museum a couple hundred metres from the site entrance, from which site entry tickets may be purchased, and at which various artifacts may be viewed. Since it is high up, the site is a bit cooler than base of the hill.
At the site itself, there's a lot to see, including ball courts, the entrance plaza flanked by two lesser pyramids, the observatory (to see the sunbeam enter the observation chamber, it is best to visit around midday), the acropolis, the main plaza, and the main pyramid itself. Then there's the grand attraction at the main plaza: the Temple of the Feathered Serpent, which is covered with beautiful carvings that are in fairly good shape.
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