Question: best things to do in washington dc for adults?
Answer: #1. Lincoln Memorial. free. ...  #2. Vietnam Veterans and Korean War Veterans Memorials. free. ...  #3. The Tidal Basin. free. ...  #4. Smithsonian National Air and Space Museum. free. ...  #5. United States Holocaust Memorial Museum. free. ...  #6. National Gallery of Art. free. ...  #7. The John F. ...  #8. Smithsonian National Museum of Natural History.