All Smithsonian museums in Washington, D.C., including the National Zoo, and in New York City continue to be closed to support the effort to contain the spread of COVID-19.
- African Gold from the Glassell Collection, The Museum of Fine Arts, Houston May 26, 2006 – November 26, 2006 African Art Museum
- First Look: The Walt Disney-Tishman African Art Collection May 17, 2006 – December 3, 2006 African Art Museum
- Airmail in America February 22, 2006 – Permanent Postal Museum
- Legendary Coins & Currency December 8, 2005 – February 11, 2008 Smithsonian Castle
- War Letters: Lost and Found November 11, 2005 – November 13, 2006 Postal Museum
- John Lennon: The Lost Album October 6, 2005 – April 10, 2006 Postal Museum
- Azucar! The Life and Music of Celia Cruz May 18, 2005 – May 29, 2006 American History Museum
- Whatever Happened to Polio? April 12, 2005 – September 4, 2006 American History Museum
- Stamps Take Flight March 15, 2005 – March 19, 2006 Postal Museum
- TEXTures: Word & Symbol in Contemporary African Art February 11, 2005 – September 4, 2005 African Art Museum
- The Price of Freedom: Americans at War November 11, 2004 – Permanent American History Museum
- Sports: Breaking Records, Breaking Barriers October 7, 2004 – January 9, 2005 American History Museum
- Vote! The Machinery of Democracy July 16, 2004 – February 21, 2005 American History Museum
- All the Stories Are True: African American Writers Speak June 7, 2004 – December 31, 2004 Anacostia Community Museum
- Separate Is Not Equal: Brown v. Board of Education May 15, 2004 – July 16, 2006 American History Museum
- Taking America to Lunch April 13, 2004 – Indefinitely American History Museum
- Playful Performers April 9, 2004 – December 12, 2004 African Art Museum
- The Queen's Own: Stamps That Changed the World April 6, 2004 – January 11, 2005 Postal Museum
- Chasing Venus: Observing the Transits of Venus, 1631-2004 March 24, 2004 – September 5, 2005 American History Museum
- Insights February 27, 2004 – December 5, 2004 African Art Museum
- America on the Move November 22, 2003 – Permanent American History Museum
- The Wright Brothers & The Invention of the Aerial Age October 11, 2003 – Indefinitely Air and Space Museum
- In the Line of Duty: Dangers, Disasters, and Good Deeds October 8, 2003 – January 2, 2007 Postal Museum
- Art of the Stamp July 30, 2003 – February 26, 2004 Postal Museum
