Foursquare Badge – Celery Salt (Chicago)
Badge Message – “Hold the ketchup & drag it through the garden! You’ve earned the Celery Salt badge for visiting 5 places that serve Chicago-style hot dogs!”
To unlock this badge you must first follow Explore Chicago on Foursquare. You then need to check-in to 5 eligible locations. You can get the full list of eligible locations for the Celery Salt badge here.