Smithsonian Museums in Washington DC — FAQ

What are the Smithsonian “Big 3” museums?
The “Big 3” are usually the National Air and Space Museum, the National Museum of Natural History, and the National Museum of American History — the most popular on the Mall.
Do you need tickets for the Smithsonian?
Entry is free; the Air and Space Museum requires a free timed pass, and guided highlights tours help you cover the best exhibits quickly.
How long do you need at the Smithsonian?
Each museum can fill half a day; a guided highlights tour of one or two is ideal if your time is limited.