Michelle Obama formally presented the gown by Jason Wu that she wore to the 2009 inaugural balls to the Smithsonian’s Collection.

For more than a half-century, the whereabouts of one of the world’s most celebrated diamonds, the Wittelsbach blue, was obscure.

Artist Brian Jungen takes familiar trash and recycling containers and creates a structure that can contain us.

Smithsonian Institution recorded more than 30 million visitors in 2009, the most impressive showing since 2001.

Jeremy Kost’s “Anyone Other Than Me” reveals the growing notoriety of the artist’s captivating photos – at Conner Contemporary.

The rare deep-blue, 31.06-carat Wittelsbach-Graff Diamond will be on display at the Smithsonian beginning Jan. 28.

A fascinating exhibit of the all-American master’s work reveals Rockwell’s meticulous use of photography to create his paintings.

A plan for the Hirshhorn calls for an inflatable structure that pokes through the building’s top and side, on the National Mall.

I.M. Pei’s National Gallery of Art building is aging, the renovation should be complete in 2013 at an estimated cost of $85 million.

A painting by the artist Alma W. Thomas, which had been selected to go on Michelle Obama’s wall, will no longer be mounted.

Brian Jungen’s objects reference themes of globalization and pop culture – on view at the National Museum of the American Indian.

Corcoran Gallery in Washington, D.C. presents Edward Burtynsky’s “Oil” – he documented the changing landscape of our planet.