Looking Back at the Year 2016--In Photos

First Meeting: President Barack Obama shakes hands with President-elect Donald Trump following their first meeting since the election at the Oval Office in the White House on Nov. 10. Win McNamee/Getty Images

CELEBRATION Fireworks fill the night sky above Oceti Sakowin Camp, near the edge of the Standing Rock Sioux reservation in North Dakota, as activists celebrate after learning an easement had been denied for the Dakota Access Pipeline on Dec. 4. Scott Olson/Getty Images