Atlacatl & Pupuseria
Atlacatl & Pupuseria, 4701 Columbia Pike, Arlington, VA, 703-920-3680, usually open (Metro Trip Planner - opens in new window) [City Paper | openlist | Yelp]
In decline, and no longer the best El Salvadorean in the area. The herb pupusas are still good, though. If you’ve never had this kind of food before, still good enough to be a revelation. Nice funky décor, too.