1. Hirshhorn Museum and Sculpture Garden
Admission: Free
This Museum is different from the other art museums you may go to. The art isn't just paintings and sculptures, its also a collection of animations, dioramas, music, and at one point you're literally walking on art. Definitely recommend you to put going to this museum on your to do list.
2. Renwick Gallery
Admission: Free
Absolutely adore this museum, the art on display is beautiful. Plus it's right next to the White House so if you want to be a little touristy then you can snap a pic there too.
3. Smithsonian National Museum of Natural History
Admission:Free
This Museum is a must when going to DC. I mean who doesn't want to see a giant elephant and a whole bunch of dinosaur fossils.
4. Smithsonian American Art Museum/ National Portrait Gallery
Admission: Free
Located in Chinatown this two in one Museum shows the history of America through art. Very interesting and worth the trip.
5. The Newseum
Admission: Adults - $22.95/Children - $13.95
The Newseum is an interactive way to learn about history! A piece of the Twin Towers and the Berlin Wall are both displayed in this museum. They also have a terrace with a gorgeous view of Pennsylvania Avenue.
6. Smithsonian Air and Space Museum
Admission: Free
This museum is very interesting and a very cool way to learn about the history of aviation and americans in space.
7. Smithsonian's National Zoo
Admission: Free
This technically isn't a zoo but it's still a fun experience when visiting DC.
8. National Gallery of Art
Admission: Free
This museum is huge. With two different buildings and a sculpture garden going here is a fun experience.