We only went in a few of the Smithsonians and didn't spend a lot of time in any of them. I'd like to go back at a less busy time of the year and spend much more time. The first day of the trip, we went into the American History museum. The second day we ended up in the Air and Space museum in order to stay dry. We also checked out the Natural History museum so that I could get a few pictures for my students and then took some pictures outside The Castle. With the all the crowds in town for the Cherry Blossom Festival it was packed to the point of not being enjoyable. Here are a few (very random) pictures through the museums.
American History Museum
First Dumbo ride for Disney
George Washington statue that was basically rejected by citizens.
Air and Space Museum
Natural Science Museum
My favorite was American History museum. I'd love to go back and just spend hours looking around, especially without