The Mayan pyramids
Wikianswers and Wikipedia qualify as such. See related links.
Google maps, many atlases and other web sites related to Mexico are good choices.
Mexico has 32 World heritage sites. These include the Historic centers of Mexico city, Morelia and Puebla.
Because it is a wonderful country and highly recommended. there is tones of sites to see!
There are lot of good sites which gives facts about fingers. Please see related links section for some of the sites.
Photoshop online. See related link.
See Related Links
There are a ton of sites that offer discounted airfare and hotel room rates for traveling to Mexico. I would suggest either Travelocity or Orbitz. I have had good luck with them in the past.
See the links below for some craft sites.
See related Links Below
Volcano's, the beach, pretty much everything
See the link below