Images from posters made by relatives show 10 of the 12 young people kidnapped in broad daylight from a bar in Mexico City on May 26. No one has claimed responsibility for the brazen abduction. Marco Ugarte/AP hide caption

itoggle caption Marco Ugarte/AP

Colombian army soldiers patrol the Loma de Cristo—bal neighborhood after warring gangs forced dozens of families to flee. Medellin used to be the most dangerous city in the world but officials embarked on innovative projects designed to make life better in tough neighborhoods. Paul Smith for NPR hide caption

itoggle caption Paul Smith for NPR

Members of the 18th Street gang announce a truce during a press conference at a prison in San Pedro Sula on May 28. Leonel Cruz/AFP/Getty Images hide caption

itoggle caption Leonel Cruz/AFP/Getty Images

At this prison in Barinas, Venezuela, the inmates are in charge. Steve Inskeep/NPR hide caption

itoggle caption Steve Inskeep/NPR

Eloisa Barrios visits the humble graves of nine male family members in the Guanayen cemetery. She says all nine were killed by the police, in what was a vendetta against her family. Recently, a 10th member of the family was stabbed to death. He was 17. Meridith Kohut for NPR hide caption

itoggle caption Meridith Kohut for NPR

Isabel Narvaez, in El Placer, says she is still traumatized by the rape she suffered. The small hamlet in Colombia is just one place where women were victims of violent crimes during the civil conflict. Paul Smith for NPR hide caption

itoggle caption Paul Smith for NPR

An artist on Rio de Janeiro's Copacabana beach puts the final touches on a sand sculpture of the kissing bug, which spreads Chagas' disease. The sculpture was part of an event in 2009 commemorating the 100th anniversary of the discovery of the disease. Vanderlei Almeida/AFP/Getty Images hide caption

itoggle caption Vanderlei Almeida/AFP/Getty Images

Presilla's Ecuadorian Spicy Onion and Tamarillo Salsa, made right in David Greene's kitchen. Selena Simmons-Duffin/NPR hide caption

itoggle caption Selena Simmons-Duffin/NPR

Skeletons: Skeleton imagery pervades this holiday. In pre-Columbian times, the Day of the Dead was celebrated in August. It now takes place on Nov. 1 and Nov. 2, coinciding with the Catholic holidays of All Saints' Day and All Souls' Day. Karen Castillo Farfán/NPR hide caption

itoggle caption Karen Castillo Farfán/NPR

Vampire bats are common in Central and South America, where they feed on livestock and sometimes people. Michael & Patricia Fogden/Corbis hide caption

itoggle caption Michael & Patricia Fogden/Corbis