Fidel Castro looks up at the Jefferson Memorial on April 16, 1959. The Cuban leader visited Washington several months after seizing power. But U.S.-Cuban relations quickly frayed, and the U.S. imposed an embargo of the island in 1960.
Dr. Mohammed Arif helps treat a wounded patient at a field hospital in Kobani, Syria. Most of the clinics in this besieged Syrian border town are now in ruins. Only one still stands, its location kept secret lest it be targeted.
Relatives of 43 students who went missing in Iguala, Mexico, search for them on a hill on the outskirts of town on Nov. 29. After the students vanished, searches around Iguala have turned up nearly a dozen clandestine graves. None of the remains found in those mounds belonged to the students.
Anti-government protesters carry the body of a demonstrator who was shot to death during clashes with the National Police in Port-au-Prince, Haiti, on Saturday. Prime Minister Laurent Lamothe says he will step down in response to protesters' demands.
Dieu Nalio Chery/AP
Maria Isabel de la Paz, a U.S. citizen, was twice turned away when trying to enter the U.S. legally. When she attempted an illegal crossing, her case was decided by a Border Patrol agent, not an immigration judge.
Greenpeace activists stand next to massive cloth letters next to the hummingbird geoglyph at Peru's sacred Nazca lines. The Peruvian government is pursuing criminal charges against the activists.