Authentic Native Arts and Crafts
http://foutzrug.com/
http://www.hopimarket.com/
http://www.navajosilversmith.com/
http://www.ago.state.nm.us/Protection/
         Native_American_Arts/native_american_arts.html
         (article on how to tell if what you're buying is authentic)
http://www.navajoworld.com

Sites to See
http://www.nps.gov/cach/ (Canyon de Chelly Info)
http://www.nps.gov/grca/ (Grand Canyon)

Misc.
http://www.antelopepointlakepowell.com
http://www.discovernavajo.com
http://www.dinecollege.edu
http://waltonfeed.net/peoples/navajo/recipes (Traditional Navajo recipes)