The Obamas participate in Saturday's National Day of Service by helping out at an elementary school.
First lady Michelle Obama and her daughters, Sasha and Malia, cheer during the Kids Inaugural Concert for Children and Military Families.
Katy Perry performs at the Kids Inaugural Concert for Children and Military Families, one of the events ahead of the second-term inauguration of President Barack Obama.
Vice President Joe Biden takes the oath of office from Supreme Court Justice Sonia Sotomayor as his wife, Jill Biden, holds the family bible at the U.S. Naval Observatory.
President Barack Obama and Vice President Joe Biden lay a wreath at the Tomb of the Unknown Soldier at Arlington National Cemetery on Sunday shortly after Biden is sworn in for a second term and a few hours before Obama takes the official oath of office in a small, private ceremony.
President Barack Obama and Vice President Joe Biden honor fallen troops by laying a wreath at Arlington Cemetery.
President Barack Obama and first lady Michelle Obama attend a church service at Metropolitan African Methodist Episcopal Church in Washington, D.C., on Inauguration Day.
President Barack Obama took the oath of office in the Blue Room of the White House.
Obama and Biden will take their oaths again on Monday during the ceremonial swearing in. But since the Constitution mandates the president take the oath before noon on Jan. 20, they stuck with tradition when the 20th falls on a Sunday and took the oath during small, private ceremonies so the large, public events could be held Monday.
Sunday was the third time Chief Justice John Roberts has administered the oath to Obama. After they both flubbed the words during the public ceremony in 2009, they redid the oath a few days later so there would be no question Obama was president. This time, the oath went off without a hitch, and Obama quickly turned to his family and exclaimed, "I did it!"
Accused Boston Marathon bomber Dzhokhar Tsarnaev is living in virtual isolation at the Federal Medical Center in Devens, Mass. He is being held with special administrative restrictions reserved for terrorism suspects. It prevents him from having contact with others held in the facility.