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