During the epiclassic period, Cacaxtla was an important site for many reasons. Most notably its position in the trade routes that existed from Central America to the northern regions of Mexico.
The murals on the walls are famous for being so conserved. Their colors are vibrant and these pictures definitely do no give them justice. An interesting feature is that they are drenched with Mayan influence. In fact, it is theorized that the person who did the murals was either someone who was inspired by Mayan or an actual Mayan person.
The long mural represents a fight between the Jaguar and the Eagle; night and day. Several elements of the murals depict a form of Mayan bloodletting that was accomplished with a long tie.
The artwork of the site also consistently have images of Venus. It is theorized that the site was devoted primarily to the planet. An interesting feature is the section that function as cages. Archeologists found remnants of many birds that are no native to the valley of Puebla-Tlaxcala, like macaws.
And of course, the view from the top is amazing.