Oreqon Trail websites
1- This has an interactive map of the different sights along the trail.
http://www.historyglobe.com/ot/otmap1.htm


2- The End of the Oregon Trail Interpretive Center, has a bunch of articles about a number of things related to life on the trail in the History Resources section

http://www.historicoregoncity.org/index.php/widgetkit/oregon-trail-history


3- Short articles about things relating to the trail and fun facts.

http://www.isu.edu/%7Etrinmich/Oregontrail.html