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Ecosystems on
the Edge

Explore the coastal zone with our scientists and learn how you can protect it.

Online video series »

A Cutting-Edge Second Look at the Battle of Gettysburg

New technology has given us the chance to re-examine how the Civil War battle was won and lost.

Learn more »

Be a part of Smithsonian history.

Have you ever been to the Smithsonian? Upload a photo from your visit and be entered to win a spectacular trip for two with Smithsonian Journeys!


Smithsonian Presents

The Smithsonian in 3‑D

Our 3-D digitization team
captures old and new,
big and small,
dead and alive.

Watch them in action now »


The Snowball Earth Theory

Tues., Sept. 17, 6:45 p.m.

learn more »


Smithsonian Sleepovers

What happens after the doors close and the lights dim? Spend a night in the museum and find out!

learn more »

Smithsonian Science

Are these six
plant invaders in
your garden?

See the top invasives and suggested native stand-ins »

Smithsonian Mobile

Your mobile guide to
visiting our museums

Discover what to see and do, search our collections, access podcasts and other mobile content.

app   website

Visiting the Museums & Zoo

Most museums are open daily from 10 a.m. to 5:30 p.m. The American Art Museum and Portrait Gallery are open 11:30 a.m. to 7 p.m. All are closed Dec. 25.

Today's Extended Evening Hours

Visiting with Kids

IMAX® Theaters and Planetarium

Featured Events

Popular Smithsonian Blogs

What is it about the puffy shirt?! How did this comedy prop make its way to the Smithsonian and why does it still resonate, 20 years after the episode first aired?
A black hole bonanza next door Astronomers have discovered an unprecedented bonanza of black holes nearby.
Q&A;: Plastics expert Odile Madden on plastic debris in Alaskan waters Alaska's pristine coastline is awash in plastic debris.