Parking nearby in structures
I have to say SpotHero is the way to go for parking
We used SpotHero app and reserved a spot in the garage right around the corner. The directions are on the museums website. We also found out that parking is free in DC on Sundays and there was on street parking almost everywhere we went.
There are quite a few, very close, but be aware, some garages close at 6 pm.
There are paid parking garages around it
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