Members only bar two blocks from the White House, so find a buddy in the press corps and go. Pro tip: Free Taco Fridays is an institution, but you can get free nachos too. Mon-Thurs, get the burger.
Taco Night on Friday is a blast. You have to be an NPC member, or accompany a friend who is. Read more.
The food here is absolutely fantastic. If you're in the area using lunchtime, get their lunch buffet. It's a different selection of their menu every day.
The chef's venison is some of the best: Deep red and robust, and it's flattered by a sauce of grappa and blueberries that imparts a pleasant dusky-fruity note to the entree. Read more.