# Smithsonian National Museum of Natural History — Washington D.C., United States

> Opened in 1910 on the National Mall, the Smithsonian's National Museum of Natural History is one of the most visited museums in the world, attracting over 4 million visitors a year. Its collection of 145 million specimens spans geology, mineralogy, biology, anthropology, and paleontology.

## Visitor facts
- Opening hours: Daily: 10:00 AM – 5:30 PM (closed December 25)
- Admission: ✓ Free admission
- Address: 10th St. & Constitution Ave. NW, Washington, D.C. 20560, USA
- Time needed: 2–3 hours
- Official website: https://naturalhistory.si.edu/
- Facts verified: 2026-06-30

## Highlights
- Hope Diamond — Nature · c. 1.1 billion years old
- T. rex Skeleton — Nature · Late Cretaceous
- African Bush Elephant — Taxidermy · 1955
- Phoenix the Whale — Nature · North Atlantic right whale

## FAQ
**Is it really free?**
Yes — like all Smithsonian museums, admission is entirely free and no booking is required for the permanent galleries.

**How long does a visit take?**
A thorough visit to the highlights takes 3–4 hours. Plan a full day if you want to explore more deeply.

**How long should I spend at Smithsonian National Museum of Natural History?**
Plan 2–3 hours for the highlights. Emotionally intense history museums reward unhurried visits — allow longer if reading extensively.

**What is Smithsonian National Museum of Natural History best known for?**
Opened in 1910 on the National Mall, the Smithsonian's National Museum of Natural History is one of the most visited museums in the world, attracting over 4 million visitors a year. Its collection of 145 million specimens spans geology, mineralogy, biology, anthropology, and paleontology. Key highlights include Hope Diamond — 45.52-carat blue diamond, David H. Koch Hall of Fossils: Deep Time, Sant Ocean Hall — the largest ocean exhibition in the world.

**How do I get tickets for Smithsonian National Museum of Natural History?**
✓ Free admission Tickets are usually available on the day, but booking online saves queue time in peak season. Official site: https://naturalhistory.si.edu/

**Is the Hope Diamond real?**
Yes — the 45.52-carat blue diamond is genuine, on permanent display in the Gems gallery. It is removed briefly for cleaning a few times per year.

**Is the Butterfly Pavilion worth the extra ticket?**
Yes for families — it is a live tropical butterfly garden where butterflies land on visitors. Timed tickets prevent overcrowding.

**Which Smithsonian museum is best for kids?**
Natural History and Air and Space are the two most popular with children. Natural History has dinosaurs, the Hope Diamond, and the Butterfly Pavilion.


Source: https://worldmuseumguide.org/museums/smithsonian-national-museum-of-natural-history/ — World Museum Guide, independent and ad-free.