Having travelled to seven different Mexican pyramid sites and counting, I'm impressed with the vast differences I've seen between all the sites. One of the most striking features of Tula are the "Atlantes," great statues which were originally erected as pillars to support a roof over the pyramid that no longer exists. The statues are stunning, carved in stone with great detail, and in amazing condition. They stand atop the main pyramid at Tula, which you are able to climb to get an up-close look at the marvelous details. The most interesting feature of the statues is that they are each holding in their hands what appears to be a laser gun. To me, this is evidence of the Toltecs contact with advanced cicilizations/aliens. I'll attach a picture to my review so that you can decide for yourself, or better yet, visit the site yourself. The site was built by the Toltecs, who preceded the Aztec civilization although like the Aztecs, clearly possessed a high degree of skill and knowledge. In addition to the structures on the site, I enjoyed the landscape: a semi arid climate with lots of desert vegetation. The site also contains a small museum with some really fabulous artifacts. Fee for entry was 40 pesos per person (~$3.50 US dollars). Well worth it.