How To Build A WebQuest 

http://www.educationworld.com/a_tech/tech/tech011.shtml WebQuest.org 
WebQuest Design Process 
Creating a WebQuest It's Easier Then You Think
Best Places to Create (and Find) Internet Scavenger Hunts and WebQuests - Larry Ferlazzo


YouTube WebQuest 101
     Part 1
     Part 2
     Part 3
     Part 4

Sample WebQuests 

Nutrition: Making a happier, healthier you
The Game Room: A web quest for Algebra II