All Smithsonian museums are free and open seven days a week.

Some of his models are currently on display at the Smithsonian museum.

At least, I told myself, all the Smithsonian museums are free.

It is the most popular Smithsonian museum, and over five million people visit it each year.

Each of the 10 contributing Smithsonian museums gets more descriptive wall space than any other object or idea.

Learn about art, science, and history and explore the many treasures at the Smithsonian museum.

The popular short is also played at the Smithsonian Museum and has won numerous awards.

You could easily spend a week just in the Smithsonian Museums on the mall.

Admission is free, as with all Smithsonian museums, but parking is $12.

With 7.4 million visitors in 2009, it is the most visited of all of the Smithsonian museums.