Erich von Däniken's Mystery Park has closed its doors. The pseudoarchaeological Disneyland opened in Interlaken, Switzerland in 2003 and was billed as the ultimate expression of von Däniken's theories, made famous by such books as Chariots of the Gods? ("Letter from Switzerland" January/February 2004). The Swiss hotelier became a best-selling author on the strength of his claim that aliens had a hand in virtually every ancient achievement, from the Giza pyramids to the Nasca lines. If you didn't make it to the park, a bizarre hodgepodge of pyramids and space-age pavilions surrounding a geodesic sphere, you weren't the only one....