Other
Maya, Olmec and Pre Columbian Ruins in Guatemala
Site opens with a map of Guatemala on which the most famous and interesting Maya Ruins are located. Following, each site is placed in a chronological period according to the dates that have been estimated.
Wikimedia
Wikipedia: List of Maya Sites
Pre-Columbian Maya archaeological sites are listed here, with links to Wikipedia pages about each.
Other
Journey Through Tikal
This site will take you on an adventure through archeological ruins in Tikal, Guatemala. You can see and read about the temples, treasure, and culture of ancient Guatemalans.
Scholastic
Scholastic: Junior Scholastic: Jungle of Secrets
Check out this site to discover more about the Ancient Maya culture. An article and video are provided. [2:19]
Other
Visit Cancun: Mayan Ruins
Visit Cancun is a tourism site that gives some basic information about a variety of Mayan ruins.