Embark on an express journey from Romania to Bulgaria, finishing in Istanbul. Absorb Bucharest’s atmosphere on a guided walking tour, compare age-old places of worship in Sofia and breathe in crisp alpine air on a hike in the Pirin Mountains. Meander back in time in the Old Town of Plovdiv, see Veliko Tarnovo's imposing Tsarevets Fortress and learn about the distillation process and history of ros...