"The Palenque ruins date back to 100 BC to its fall around 800 AD."http://en.wikipedia.org/wiki/Pacal_the_Great
"was ruler of the Maya polity of Palenque in the Late Classic period of pre-Columbian Mesoamerican chronology. During a long reign of some 68 years Pakal was responsible for the construction or extension of some of Palenque's most notable surviving inscriptions and monumental architecture."
"Pakal’s tomb has been the focus of attention by some "ancient astronaut" enthusiasts since its appearance in Erich von Däniken's 1968 best seller, Chariots of the Gods?. Von Däniken reproduced a drawing of the sarcophagus lid (incorrectly labeling it as being from "Copan") and comparing Pacal's pose to that of 1960s Project Mercury astronauts, interpreting drawings underneath him as rockets, and saying it is supposed evidence of extraterrestrial influence on the ancient Maya."
Erich von Daniken is full of shit. and a liar. Prof. Bob and Pacal the Mayan King
"This is a show about Pacal the Mayan king and the controversy over his tomb. This is also about Eric Von Daniken and the so-called outer space connection. The truth will set you free."