Hillary Rodham Clinton with arms spread before she addresses the crowd to end her campaign for president of the United States and giving her...
Washington: President Reagan and Nancy join Julio Iglesias , Andy Williams, and Leslie Uggams , in singing Christmas carols 12/11, at the National...
Washington: Prince Charles of Great Britain addressed the American Institute of Architects 1990 Honor Awards dinner at the National Building Museum...
Visitors play in a "swimming pool" filled with plastic balls at the Fun House exhibit, a freestanding structure designed by Snarkitecture that...
Boy plays in a "swimming pool" filled with plastic balls at the Fun House exhibit, a freestanding structure designed by Snarkitecture that recalls...
President Donald Trump delivers remarks during the Susan B Anthony List gala at the National Building Museum on May 22, 2018 in Washington, DC. Trump...
President Donald Trump speaks during the Susan B. Anthony List's 11th annual Campaign for Life Gala at the National Building Museum May 22, 2018 in...
Mary J. Blige performs onstage during TNT's "Christmas in Washington 2009" at the National Building Museum on December 13, 2009 in Washington, DC....
Mary J. Blige performs onstage during TNT's "Christmas in Washington 2009" at the National Building Museum on December 13, 2009 in Washington, DC....
President Barack Obama, left, and First Lady Michelle Obama speak at the conclusion of the Christmas in Washington concert at the National Building...
Justin Bieber performs onstage during TNT's "Christmas in Washington 2009" at the National Building Museum on December 13, 2009 in Washington, DC....
President Barack Obama, top right, and First Lady Michelle Obama pose with children dressed as elves at the Christmas in Washington concert at the...
Mary J. Blige performs onstage during TNT's "Christmas in Washington 2009" at the National Building Museum on December 13, 2009 in Washington, DC....
Usher performs onstage during TNT's "Christmas in Washington 2009" at the National Building Museum on December 13, 2009 in Washington, DC. "Christmas...
Justin Bieber performs onstage during TNT's "Christmas in Washington 2009" at the National Building Museum on December 13, 2009 in Washington, DC....
Justin Bieber performs onstage during TNT's "Christmas in Washington 2009" at the National Building Museum on December 13, 2009 in Washington, DC....
First Lady Michelle Obama watches as her husband President Barack Obama speaks during the Christmas in Washington Celebration December 13, 2009 at...
President Barack Obama and First Lady Michelle Obama sing with Mary J. Blige during the Christmas in Washington Celebration December 13, 2009 at the...
Mary J. Blige performs onstage during TNT's "Christmas in Washington 2009" at the National Building Museum on December 13, 2009 in Washington, DC....
President Barack Obama and First Lady Michelle Obama sing with Mary J. Blige and Kristian Bush during the Christmas in Washington Celebration...
Mary J. Blige performs onstage during TNT's "Christmas in Washington 2009" at the National Building Museum on December 13, 2009 in Washington, DC....
*Exclusive* Mary J. Blige, Rob Thomas, Kristian Bush and Jennifer Nettles of Sugarland attend TNT's "Christmas in Washington 2009" at the National...
*Exclusive* Mary J Blige, Kristian Bush of Sugarland, Usher, Jennifer Nettles of Sugarland, Rob Thomas, Justin Bieber and George Lopez attend TNT's...
*Exclusive* Mary J Blige, Kristian Bush of Sugarland, Usher, Jennifer Nettles of Sugarland, Rob Thomas, Justin Bieber and George Lopez attend TNT's...
*Exclusive* Usher and Justin Bieber attends TNT's "Christmas in Washington 2009" at the National Building Museum on December 13, 2009 in Washington,...
*Exclusive* Usher and Justin Bieber attends TNT's "Christmas in Washington 2009" at the National Building Museum on December 13, 2009 in Washington,...
Dr. Phil McGraw and Robin McGraw speak on stage during TNT's "Christmas in Washington 2008" at the National Building Museum on December 14, 2008 in...
Singer Raphael Saadiq poses backstage during TNT's "Christmas in Washington 2008" at the National Building Museum on December 14, 2008 in Washington,...
President Barack Obama and his wife Michelle dance during the Commander in Chief's Ball at the National Building Museum in Washington January 20,...
President Barack Obama and his wife Michelle arrive at the Commander in Chief's Ball at the National Building Museum in Washington January 20 2009 ....
President Barack Obama and First Lady Michelle Obama dance during the Commander-in-Chief Ball at the National Building Museum in Washington, DC,...
President Barack Obama and First Lady Michelle Obama during the Commander-in-Chief Ball at the National Building Museum in Washington, DC, January...
Vice President Joe Biden and his wife Jill dance during the Commander in Chief's Ball at the National Building Museum in Washington January 20 2009 ....
President Barack Obama and his wife Michelle dance during the Commander in Chief's Ball at the National Building Museum in Washington January 20 2009...
President Barack Obama and First Lady Michelle Obama dance during the Commander-in-Chief Ball at the National Building Museum in Washington, DC,...
President Barack Obama dances with Army Sgt Margaret Herrera and his wife Michelle dance Marine Sgt Eliidio GuIllen during the Commander in Chief's...
President Barack Obama and his wife Michelle attend the Commander in Chief's Ball at the National Building Museum in Washington January 20 2009 . AFP...
President Barack Obama and his wife Michelle dance during the Commander in Chief's Ball at the National Building Museum in Washington January 20 2009...
President Barack Obama and his wife Michelle dance during the Commander in Chief's Ball at the National Building Museum in Washington January 20 2009...
President Barack Obama dances with Army Sgt Margaret Herrera and his wife Michelle dances with Marine Sgt Eliidio Guillen during the Commander in...
President Barack Obama dances with Army Sgt Margaret Herrera during the Commander in Chief's Ball at the National Building Museum in Washington...
President-elect Barack Obama introduces his former political rival Sen. John McCain at a bipartisan dinner in the National Building Museum on January...
President-elect Barack Obama introduces his former political rival Sen. John McCain at a bipartisan dinner in the National Building Museum on January...
Dr. Phil McGraw and Robin McGraw speak on stage during TNT's "Christmas in Washington 2008" at the National Building Museum on December 14, 2008 in...
Singer Julianne Hough performs on stage during TNT's "Christmas in Washington 2008" at the National Building Museum on December 14, 2008 in...
Singer Julianne Hough performs on stage during TNT's "Christmas in Washington 2008" at the National Building Museum on December 14, 2008 in...
Singer Julianne Hough performs on stage during TNT's "Christmas in Washington 2008" at the National Building Museum on December 14, 2008 in...
Singer Julianne Hough poses backstage during TNT's "Christmas in Washington 2008" at the National Building Museum on December 14, 2008 in Washington,...
Singer Kristin Chenoweth performs on stage during TNT's "Christmas in Washington 2008" at the National Building Museum on December 14, 2008 in...
First Lady Laura Bush shakes hands with Julianne Hough on stage during TNT's "Christmas in Washington 2008" at the National Building Museum on...
Dr. Phil McGraw and Robin McGraw speak on stage during TNT's "Christmas in Washington 2008" at the National Building Museum on December 14, 2008 in...
Singer Julianne Hough poses backstage during TNT's "Christmas in Washington 2008" at the National Building Museum on December 14, 2008 in Washington,...
Singer Julianne Hough performs on stage during TNT's "Christmas in Washington 2008" at the National Building Museum on December 14, 2008 in...
Dr. Phil McGraw and Robin McGraw speak on stage during TNT's "Christmas in Washington 2008" at the National Building Museum on December 14, 2008 in...
Singer Julianne Hough performs on stage during TNT's "Christmas in Washington 2008" at the National Building Museum on December 14, 2008 in...
Singer Kristin Chenoweth poses backstage during TNT's "Christmas in Washington 2008" at the National Building Museum on December 14, 2008 in...