Palo Alto Battlefield National Historical Park is hosting the 8th Annual Rio Grande Delta International Archaeology Fair. The fair will provide the community an opportunity to learn about archaeology, local archaeological resources, and the value of resource preservation. There will be exhibits by professional and avocational archaeologist, as well as local museums from both sides of the border. Come see displays on local archaeological investigations and demonstrations of period technological advances. The fair will offer educational games and activities for visitors of all ages. There is no admission and the event is open to the public.