Yes, there is a small outlet near Jefferson memorial entrance.
At the near center of national mall park theres a concession stand not much of a choice but burger and funnel cake and expensive drinks...more toward the center of the park you have a icecream truck a burger truck a Mexican truck a Chinese truck and not much else there is no mc Donald's in the air and space museum but the have a cafe that only has refrigerator sandwiches and yougart cups and chicken wraps and stuff and drinks and again expensive so I would eat in the outside area of little cafe type places but not in the national mall area
Mostly food trucks. There is a McDonald's in the Air and Space museum a few blocks away however
Theres about two fixed concessions I saw as well as food trucks in the vicinity. Ask the Park Rangers or at the MLK Bookstore for guidance on their exact locations.
Tons of food trucks in the area.
In the vicinity of the National Mall and the more popular memorials, the most conveniently located options would be the food trucks parked all around.
You have to go past the Lincoln memorial for a little cafe and then it gets pretty sparse.
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