Can You Please Tell What are Best Places to Eat in Washington DC? Visiting DC on March 20th.?

What are best places to eat in Washington DC near following attractions: Want to try some foods outside the attractions. Whitehouse (looking from outside) Smithsonian Castle National Museum of History Postal Museum Air Space Museum US Archives & Records Library of Congress If possible can you provide what... show more What are best places to eat in Washington DC near following attractions:
Want to try some foods outside the attractions.
Whitehouse (looking from outside)

Smithsonian Castle
National Museum of History
Postal Museum
Air Space Museum
US Archives & Records
Library of Congress
If possible can you provide what stations that food places/restaurants will be.
Thank you for your help.
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