1. Foggy Bottom neighborhood
  2. Franklin Delano Roosevelt Memorial
  3. Korean War Veterans Memorial
  4. Lincoln Memorial
  5. Martin Luther King Jr. Memorial
  6. Mount Vernon, George Washington's home
  7. National Air and Space Museum
  8. National Gallery of Art
  9. National Museum of American History
  10. National Museum of Natural History
  11. National World War II Memorial
  12. Natl Portrait & American Art Museum
  13. Newseum (journalism museum)
  14. Renwick Gallery (free)
  15. Smithsonian Castle
  16. Thomas Jefferson Memorial and Tidal Basin
  17. US Capitol and Library of Congress Editors Pick
  18. US Holocaust Memorial Museum
  19. Vietnam Veterans Memorial
  20. White House North Lawn & Lafayette Square
  21. White House Visitor Center and South Lawn
More great Locations can be found here!