http://glutenfreeindc.blogspot.com This is a gluten-free blog. It contains recipies, news on what's gluten-free, and stores that sell gluten free products.
http://www.dcgluties.com This is another gluten-free blog. It has product recommendations, events, and new products.
http://celiacdisease.meetup.com/112 This is a club that you can join that meets every month at a different gluten free restaurant in Washington, D.C., to swap recipies and talk about being gluten-free.
These are useful links that help tourists and people with their gluten-free diet.