The Smithsonian Basics
The Smithsonian Institution is the world's largest museum complex — 21 museums, 9 research centers and the National Zoo, all funded by Congress so entry is free for everyone. 17 of the 21 museums are in Washington DC; most cluster along the National Mall.
🧮
USA Trip Cost Calculator
Planning your DC trip? Our free calculator covers hotels, food and transport — the museums themselves are free.
The National Gallery of Art is technically separate (under its own Act of Congress) but sits on the Mall, is free, and most visitors treat it as part of the Smithsonian run.
Top 5 Museums Ranked
1. National Museum of African American History & Culture
The newest and most essential. Six floors, starting with slavery in the basement and rising to contemporary culture. Book free timed-entry passes 30 days in advance. Allow 3-4 hours. Closes 5pm.
2. National Air & Space Museum
The Wright Flyer, Apollo 11 command module, Spirit of St. Louis, Mercury capsule, SpaceShipOne. Reopened after major renovation. Requires free timed-entry passes. 2-3 hours.
3. National Museum of Natural History
The Hope Diamond, T. Rex skeleton, Ocean Hall, Hall of Human Origins. Busiest museum in the Smithsonian system. Walk-in, no pass needed. 2-3 hours.
4. National Gallery of Art
Two buildings (West for pre-1900, East for modern), connected by underground walkway with Leo Villareal light tunnel. Da Vinci, Vermeer, Rothko, Calder mobile. 2 hours minimum.
5. National Museum of American History
Star-Spangled Banner (the actual flag), Julia Child's kitchen, the ruby slippers from Wizard of Oz, First Ladies' gowns. Great for families. Walk-in. 2 hours.
Reservations & Timed Entry
| Museum | Reservation needed? | How to book |
|---|
| African American History | Yes — required | nmaahc.si.edu, 30 days ahead, free |
| Air & Space (Mall) | Yes — required | airandspace.si.edu, 7 days ahead, free |
| Udvar-Hazy (Dulles) | No | Walk-in; $15 parking |
| Natural History | No | Walk-in |
| American History | No | Walk-in |
| All others | No | Walk-in |
African American History timed passes are released at 8am ET exactly 30 days out and often sell out within an hour. Set a calendar reminder. Same-day passes also released at 8:15am ET on a first-come basis.
Full Museum List
- On the National Mall: Air & Space, Natural History, American History, African American History, American Indian, Hirshhorn (modern art), Freer & Sackler (Asian art), African Art, National Gallery of Art
- Penn Quarter area: American Art Museum, National Portrait Gallery (same building), Postal Museum (near Union Station)
- Other DC locations: Renwick Gallery (crafts), Anacostia Community Museum, National Zoo (Rock Creek)
- Outside DC (also free): Udvar-Hazy Center (Chantilly VA), Cooper Hewitt Design Museum (NYC), National Museum of the American Latino (opens late 2026)
Best Time to Visit
| When | Crowd level | Notes |
|---|
| Tuesday-Thursday 10am | Low | Best all-round |
| Weekdays after 3pm | Low | 2 hours before close |
| Weekends | High | Families + tourists |
| Summer (Jun-Aug) | Very high | Hot, humid, packed |
| Winter (Jan-Feb) | Lowest | Cold but empty galleries |
| Cherry blossom week | Chaos | Late March - early April |
National Mall Walking Route
The Mall is a 2-mile rectangle. A natural museum order from east to west:
- 1. Start at US Capitol (Union Station metro) — 9am
- 2. Walk west, stop at National Gallery of Art East + West — 2 hours
- 3. Lunch at Pavilion Cafe (Sculpture Garden) — 1 hour
- 4. Natural History — 2 hours
- 5. American History next door — 1 hour quick or 2 hours thorough
- 6. Continue west past Washington Monument to WWII Memorial, Lincoln Memorial — 45 min
- 7. Metro back from Foggy Bottom or Smithsonian station
Total walking 4-5 miles. Comfortable shoes essential. The Mall has no shade — sunscreen in summer.
Food & Practicalities
- Best cafeteria: Mitsitam Cafe at the American Indian museum — regional Native cuisine, $16-22 mains
- Fastest: Pavilion Cafe (National Gallery Sculpture Garden) — sandwiches, pizza
- Best coffee nearby: Compass Coffee (multiple DC locations)
- Avoid: the Natural History basement cafeteria — overpriced and mediocre
- Free water fountains in every museum — bring a refillable bottle
- Public restrooms in every museum lobby
- WiFi free in all museums
Security Rules
All Smithsonian museums have airport-style security: bag X-ray and metal detectors.
- No knives, firearms, pepper spray, tripods
- Small backpacks OK — large packs and suitcases turned away
- No food or uncovered drinks in galleries
- Photography without flash allowed in most galleries
- Strollers welcome in most galleries
- Coat check free at several museums (Natural History, American History)
The African American History museum has the strictest security and longest queues. Even with a timed pass, allow 20-30 minutes to enter. Small bags only.
The Smithsonian Basics
The Smithsonian Institution is the world's largest museum complex — 21 museums, 9 research centers and the National Zoo, all funded by Congress so entry is free for everyone. 17 of the 21 museums are in Washington DC; most cluster along the National Mall.
🧮
USA Trip Cost Calculator
Planning your DC trip? Our free calculator covers hotels, food and transport — the museums themselves are free.
The National Gallery of Art is technically separate (under its own Act of Congress) but sits on the Mall, is free, and most visitors treat it as part of the Smithsonian run.
Top 5 Museums Ranked
1. National Museum of African American History & Culture
The newest and most essential. Six floors, starting with slavery in the basement and rising to contemporary culture. Book free timed-entry passes 30 days in advance. Allow 3-4 hours. Closes 5pm.
2. National Air & Space Museum
The Wright Flyer, Apollo 11 command module, Spirit of St. Louis, Mercury capsule, SpaceShipOne. Reopened after major renovation. Requires free timed-entry passes. 2-3 hours.
3. National Museum of Natural History
The Hope Diamond, T. Rex skeleton, Ocean Hall, Hall of Human Origins. Busiest museum in the Smithsonian system. Walk-in, no pass needed. 2-3 hours.
4. National Gallery of Art
Two buildings (West for pre-1900, East for modern), connected by underground walkway with Leo Villareal light tunnel. Da Vinci, Vermeer, Rothko, Calder mobile. 2 hours minimum.
5. National Museum of American History
Star-Spangled Banner (the actual flag), Julia Child's kitchen, the ruby slippers from Wizard of Oz, First Ladies' gowns. Great for families. Walk-in. 2 hours.
Reservations & Timed Entry
| Museum | Reservation needed? | How to book |
|---|
| African American History | Yes — required | nmaahc.si.edu, 30 days ahead, free |
| Air & Space (Mall) | Yes — required | airandspace.si.edu, 7 days ahead, free |
| Udvar-Hazy (Dulles) | No | Walk-in; $15 parking |
| Natural History | No | Walk-in |
| American History | No | Walk-in |
| All others | No | Walk-in |
African American History timed passes are released at 8am ET exactly 30 days out and often sell out within an hour. Set a calendar reminder. Same-day passes also released at 8:15am ET on a first-come basis.
Full Museum List
- On the National Mall: Air & Space, Natural History, American History, African American History, American Indian, Hirshhorn (modern art), Freer & Sackler (Asian art), African Art, National Gallery of Art
- Penn Quarter area: American Art Museum, National Portrait Gallery (same building), Postal Museum (near Union Station)
- Other DC locations: Renwick Gallery (crafts), Anacostia Community Museum, National Zoo (Rock Creek)
- Outside DC (also free): Udvar-Hazy Center (Chantilly VA), Cooper Hewitt Design Museum (NYC), National Museum of the American Latino (opens late 2026)
Best Time to Visit
| When | Crowd level | Notes |
|---|
| Tuesday-Thursday 10am | Low | Best all-round |
| Weekdays after 3pm | Low | 2 hours before close |
| Weekends | High | Families + tourists |
| Summer (Jun-Aug) | Very high | Hot, humid, packed |
| Winter (Jan-Feb) | Lowest | Cold but empty galleries |
| Cherry blossom week | Chaos | Late March - early April |
National Mall Walking Route
The Mall is a 2-mile rectangle. A natural museum order from east to west:
- 1. Start at US Capitol (Union Station metro) — 9am
- 2. Walk west, stop at National Gallery of Art East + West — 2 hours
- 3. Lunch at Pavilion Cafe (Sculpture Garden) — 1 hour
- 4. Natural History — 2 hours
- 5. American History next door — 1 hour quick or 2 hours thorough
- 6. Continue west past Washington Monument to WWII Memorial, Lincoln Memorial — 45 min
- 7. Metro back from Foggy Bottom or Smithsonian station
Total walking 4-5 miles. Comfortable shoes essential. The Mall has no shade — sunscreen in summer.
Food & Practicalities
- Best cafeteria: Mitsitam Cafe at the American Indian museum — regional Native cuisine, $16-22 mains
- Fastest: Pavilion Cafe (National Gallery Sculpture Garden) — sandwiches, pizza
- Best coffee nearby: Compass Coffee (multiple DC locations)
- Avoid: the Natural History basement cafeteria — overpriced and mediocre
- Free water fountains in every museum — bring a refillable bottle
- Public restrooms in every museum lobby
- WiFi free in all museums
Security Rules
All Smithsonian museums have airport-style security: bag X-ray and metal detectors.
- No knives, firearms, pepper spray, tripods
- Small backpacks OK — large packs and suitcases turned away
- No food or uncovered drinks in galleries
- Photography without flash allowed in most galleries
- Strollers welcome in most galleries
- Coat check free at several museums (Natural History, American History)
The African American History museum has the strictest security and longest queues. Even with a timed pass, allow 20-30 minutes to enter. Small bags only.