Our signature stories delve into issues around the world -- from the long-term effects of Agent Orange in Vietnam and escalating gang violence in Mexico to discrimination against whites in South Africa and Afghan immigrants in Iran. See our best Signature videos of the year.

As part of their reporting on Greek efforts to stem the tide of obesity in their country, Worldfocus correspondent Lynn Sherr and producer Megan Thompson visit "slow food" advocates Nikos and Lola Frantzeskakis. The pair share recipes for healthy -- and delicious -- dishes in Vamos, Crete using locally-grown vegetables, meats, and of course, olive oil.

Producer Megan Thompson traveled to Greece last June for a Signature Story series. In order to find what gay Greeks were missing out on, she attended a celebrity wedding between a talk show host and member of parliament. See why Greek weddings are more exciting than invitation-only American receptions.

Go behind the scenes with an exclusive video tour of the Parthenon in Greece's new Acropolis Museum.

A collection of sculptures from Greece's famed Parthenon have a permanent home in the British Museum. Should they be returned to Greece? Students at the American College of Greece say yes, but Dimitris Plantzos of the University of Ioannina holds the rare view that the sculptures don't need to be returned.