President Donald Trump signs a cap after delivering his first State of the Union address.
Police officers wearing riot gear spray protesters with pepper spray on K St. N.W., hours after President Trump was sworn in as the 45th US President.
Sen. Mark Warner (D-VA) speaks to the press in the basement of the Capitol.
Donald and Melania Trump wave to crowds minutes after Trump was sworn in as the 45th US President.
A woman embraces a child during the March For Our Lives in Washington, DC.
Protesters take part in the "Not My Presidents' Day" protest in DC.
Former CIA Director James Comey testifies about his dealings with President Trump during a Senate Intelligence Committee hearing.
Sen. Susan Collins (R-ME) takes questions from reporters in the Hart Senate Office Building.
Attorney General Jeff Sessions speaks during a press conference at the Department of Justice, introducing new measures to fight the national opioid crisis.
US Treasurer Jovita Carranza prepares for a photo shoot in her office in Washington, DC.
Máxima Acuña de Chaupe, winner of the Goldman Environmental Prize, inadvertently became a symbol of resistance when she refused to sell her 60-acre plot of land in Perú to the largest gold-mining project in South America.
Juggalos, fans of the band Insane Clown Posse, rally next to the Lincoln Memorial, protesting being identified as a gang by the FBI in 2011.
People wait to enter the Remote Area Medical (RAM) mobile clinic in Grundy, Virginia. This event was one of several weekend-long clinics held by RAM during the year, providing free dental, vision and general health services to hundreds of uninsured and underinsured people in remote areas of the US.
Demonstrators disperse along Pennsylvania Ave. during the March For Our Lives in Washington, DC.
Hillary Clinton supporters react to early election results during Governor Terry McAuliffe's election night watch party in Falls Church, Va.
A mother lights the candle of her son during a candlelight vigil outside the White House, the evening after the 2016 presidential election.
Hazel Hull from Jeffersonville, NY gets dressed before mass on a chilly Sunday morning.
A member of the HeadBangers boxing team trains with a water bag in Southeast DC.
The bust of Richard Nixon is wrapped with plastic for their protection during the testing of the new Smoke Control System in the Capitol.