What the National Museum of Natural History is and what you'll see there

The National Museum of Natural History is a Smithsonian museum in Washington, DC that holds collections of fossils, minerals, animals, plants, and human artifacts. The museum is free to enter. It occupies a large building on the National Mall between 9th and 10th Streets NW, and contains 145 million specimens across 380,000 square feet of gallery space.

The museum's permanent galleries include the Hall of Fossils (with dinosaur skeletons and extinct marine life), the Hall of Geology, Gems, and Minerals (featuring the Hope Diamond), the Hall of Human Origins (tracing human evolution), the Hall of Mammals, the Hall of Birds, and the Hall of Insects. The museum also rotates temporary exhibitions throughout the year. Most visitors spend two to four hours inside, though you can spend a full day if you move slowly through every section.

The museum is open every day except December 25. Hours are 10 a.m. to 5:30 p.m. during most of the year, though hours may extend to 7:30 p.m. on select summer evenings. You do not need to reserve a timed ticket in advance — you can walk in during operating hours. However, during peak tourist seasons (spring break, summer, and major holidays), the building sometimes reaches capacity and temporarily stops admitting new visitors for an hour or two.

Key Takeaways

  • The National Museum of Natural History is free to enter and open daily from 10 a.m. to 5:30 p.m., with extended hours some summer evenings.
  • The building sits on the National Mall between 9th and 10th Streets NW and is accessible by Metro (Archives-Navy Memorial-Penn Quarter station on the Green, Yellow, or Red lines).
  • During peak seasons, the museum may temporarily stop admitting visitors when capacity is reached, so arriving early or visiting on weekday mornings reduces wait times.
  • The Hope Diamond, dinosaur fossils, and human evolution exhibits are among the most crowded galleries; quieter sections include the Hall of Geology and Hall of Insects.
  • Parking on the National Mall is limited and expensive; public transit, rideshare, or arriving by foot from nearby hotels is faster and cheaper.

How to get there by public transit and where to park

The closest Metro station is Archives-Navy Memorial-Penn Quarter, served by the Green, Yellow, and Red lines. From that station, the museum entrance is a five-minute walk north. If you are coming from Union Station, take the Red line toward Shady Grove and exit at Archives-Navy Memorial-Penn Quarter. If you are coming from the airport (Reagan National or Dulles), take the Metro to Metro Center and transfer to the Green or Yellow line toward Archives-Navy Memorial-Penn Quarter.

Street parking near the museum is metered and costs $2.25 per hour during business hours, with a two-hour limit. Parking garages within two blocks charge $15 to $25 for a full day. The Smithsonian Institution operates a small paid lot on Jefferson Drive, but spaces fill quickly during peak hours. If you are driving, arriving before 9:30 a.m. or after 4 p.m. gives you a better chance of finding street parking. Many visitors find it faster and cheaper to use rideshare services (Uber, Lyft) or to stay within walking distance on the National Mall.

What to bring and what the building offers inside

The museum provides free Wi-Fi throughout the building. Water fountains are located on each floor. The building has multiple restrooms, and a family restroom (single-occupancy, accessible) is located near the main entrance. The museum does not allow outside food or drink except water, but a cafeteria on the ground floor serves sandwiches, salads, pizza, and snacks at typical museum prices ($8 to $18 per item). A small gift shop near the main entrance sells books, fossils, minerals, and educational toys.

Bring comfortable walking shoes — the galleries involve significant standing and walking. The building is fully accessible to people using wheelchairs; elevators connect all floors, and accessible restrooms are marked on the museum map. Strollers are permitted. The museum provides free wheelchairs at the information desk if you need one. Backpacks and large bags are permitted but may be subject to security screening at the entrance.

Which galleries draw the longest lines and when to visit them

The Hope Diamond (in the Hall of Geology, Gems, and Minerals) and the dinosaur exhibits (in the Hall of Fossils) are the most crowded sections. Both typically have 20- to 40-minute waits to view the main displays during midday hours in summer and spring. The Hall of Human Origins is also consistently busy. The Hall of Insects, Hall of Minerals (outside the Hope Diamond section), and the Hall of Birds tend to be quieter.

Weekday mornings between 10 a.m. and noon are the least crowded times to visit. Weekday afternoons (after 2 p.m.) are moderately busy. Weekends and federal holidays are the busiest times. If you want to see the Hope Diamond with minimal wait, arrive within 30 minutes of opening on a weekday morning, or visit on a rainy weekday afternoon. Temporary exhibitions rotate and sometimes draw crowds; check the museum website before your visit to see what is on display.

Guided tours, special programs, and what costs extra

The museum offers free docent-led tours that depart from the information desk throughout the day. These tours last 45 minutes to an hour and cover a single gallery or theme (such as "Dinosaurs" or "Gems and Minerals"). No registration is required — you straightforward show up at the scheduled time. Tour times are posted at the information desk and on the museum website.

The museum also hosts special programs, lectures, and behind-the-scenes tours that require separate registration and may have a fee. These include evening lectures, family workshops, and curator talks. Information about these programs is available on the Smithsonian website. Most permanent galleries and the general museum experience are free. Temporary exhibitions are also free. No additional fees are required to enter the building or view the main collections.

Accessibility information and services for visitors with disabilities

The entire building is wheelchair accessible. All galleries are on accessible routes, and elevators connect the three public floors. Accessible parking spaces are available in nearby lots and on the street. The museum provides free wheelchairs and mobility aids at the information desk. Accessible restrooms, including a family restroom, are located throughout the building and marked on the museum map.

Service animals are permitted. Visitors who are deaf or hard of hearing can request real-time captioning for certain programs and lectures; contact the museum in advance to arrange this. The museum provides large-print and Braille versions of some gallery labels upon request. Visitors with cognitive disabilities may find the building overwhelming during peak hours; visiting on a quiet weekday morning or requesting a private docent tour may help. Contact the museum's accessibility office before your visit if you need specific accommodations.

What to know about photography, crowds, and visiting with children

Photography and video recording are permitted for personal use in all galleries. Flash photography is not allowed. Tripods and professional camera equipment require permission from museum staff. Most visitors take photos of the Hope Diamond, dinosaur skeletons, and the Hall of Human Origins.

The museum is crowded during school holidays (spring break in March and April, summer break from June through August, and winter break in December). It is also busy on weekends and federal holidays. If you are visiting with children, the Hall of Fossils and Hall of Insects tend to hold children's attention longest. The museum provides activity guides for children at the information desk. Nursing mothers can use the family restroom or a designated quiet room near the main entrance. The building has few benches, so bring comfortable shoes and plan rest breaks in the cafeteria or gift shop.

Frequently Asked Questions

Do I need to buy tickets in advance?

No. The museum is free and does not require advance tickets or reservations. You can walk in during operating hours. During peak seasons, the building may temporarily stop admitting new visitors if capacity is reached, but this usually lasts only an hour or two. Arriving early in the day reduces the chance of encountering a temporary closure.

Can I bring my own food and drinks?

Outside food and drinks are not permitted except water. The museum has a cafeteria on the ground floor with sandwiches, salads, pizza, and snacks. Many visitors also eat at restaurants on the National Mall or nearby streets before or after their visit.

How long does it take to see everything?

Most visitors spend two to four hours. If you move quickly through the main galleries (Hope Diamond, dinosaurs, human origins), you can cover the highlights in two hours. A thorough visit to all galleries takes six to eight hours. You do not have to see everything in one visit — many people return multiple times.

Is there a gift shop or place to buy souvenirs?

Yes. A gift shop near the main entrance sells books, fossils, minerals, jewelry, and educational toys related to the museum's collections. Prices range from a few dollars to several hundred dollars for high-end specimens.

What if I visit and the building is at capacity?

If the museum temporarily stops admitting visitors, you can wait outside or return later that day. The closure usually lasts one to two hours. Visiting on a weekday morning or during off-peak seasons (fall or winter) avoids this issue entirely.