Children play on a plaza in front of the Cathedral of Santa Ana in Santa Ana, El Salvador, March 8, 2015.
Joani Peacock goes up the stairs to her apartment after walking her dog, Bailey, in Alexandria, Va., Wednesday, Sept. 24, 2014. Peacock calls Bailey her “therapy dog” because even when her energy is low due to her bipolar disorder, she must go outside several times each day to walk him.
Friends Justin Thomas (right) and Trevor Corning (left) help Jared Brammer get into his costume before the 17th Street High Heel Race in Washington, DC, on Oct. 28, 2014.
A group of protesters demonstrates outside of the Supreme Court in Washington, DC, before the Court hears oral arguments in a case challenging the Affordable Care Act's mandate that employer insurance plans cover birth control, March 25, 2014.
Elizabeth "Little Bit" Lloyd, a World War II veteran, gets ready in her apartment at the Armed Forces Retirement Home in Washington, DC.
Laurice Ghougasian talks to one of the 11 cats she cares for at her home. Most of the cats, including this one, were previously living on the streets or had been abandoned by their owners.
The crowd enjoys live music at the Rossyln Jazz Festival in Arlington, VA, on Sept. 7, 2013.
At the 540 Homes for the Homeless protest event, Washington, DC, Mar. 15, 2013.
A protester in front of the Supreme Court in Washington, DC, on the day the justices heard oral arguments about several gay marriage cases, Mar. 26, 2013.
A woman reads outside of the Strand bookstore in New York City.
An American flag is displayed in a shop window in Parma, Ohio, on July 4, 2014.
A young ballerina poses for photographs among the cherry blossom trees at sunrise in Washington, DC.
Harper Baych, age 3, chases bubbles with family members in Phoenix, MD.
Children sit outside a barbershop in Philadelphia, PA, on May 11, 2013.
A young girl participates in a drum circle performance at Meridian Hill Park in Washington, DC, on June 23, 2013.
Students in the annual Jouk Li Jou photography camp stretch during a presentation and critique of student work, at the Hotel Cyvadier in Jacmel, Haiti.
Gay rights supporters and protestors interact before the annual Pride Parade in Washington, DC.
Spinoussa Solanges, age 19, a participant in the Project Zen Empowerment Program for young women, walks down a steep hill into the tent camp where she lives with her family in Port-au-Prince, Haiti, on February 20, 2014.
A headstone decorated with medals and other items, in Arlington National Cemetery's Section 60, the final resting place for men and women killed in recent wars in Iraq and Afghanistan.