Photo of the Day

a girl in a bride costume and a younger child dressed as an animal in Colombia

Trick or Treat

Trick-or-treaters take a snack break in Medellín, Colombia. Once considered the most dangerous city in the world, Medellín's homicide rate dropped 80 percent between 1991 and 2014.
Photograph by Meredith Davenport, Nat Geo Image Collection