Episode 5: In Chianti, Matthew and Matthew visit the one-time home of Mona Lisa Gherardini, subject of Leonardo da Vinci's famous portrait. Joe Fattorini visits a vineyard in the Maule valley, the epicenter of Chile's devastating 2010 earthquake. Chef Atul Kochhar fires up his tandoor, and in Moldova-where a quarter of the population rely on wine for their livelihood-Joe learns why Russia banned their wine.