Well, after visiting 2 sites in SL that list "archaeology" as one of their searchable keywords, I thought I was out of sites to visit. After a little poking around and playing with search terms I found the SL site of Chichen Itza. It is a nicely constructed site in a lush tropical setting. The site included a sacred cenote, Temple of the Warriors, and the temple of Kukulcan. There were a couple of information cubes that provided brief descriptions of some of the items. The project was created by the Mexico Tourism Board and was designed to help attract votes so that the real site might be included in the New 7 Wonders of the World campaign that ended last July. The project was successful in that Chichen Itza was voted as one of the new 7 wonders of the world along with the Taj Mahal, Petra, the Great Wall of China, Machu Picchu, Christ Redeemer, and the Colosseum. The SL site is still attracting visitors, I saw 6 other avatars while I was there.