Go back in time to the Byzantine times when Istanbul was Constantinople and enjoy an 8-hour small-group guided tour of monasteries and churches. On this tour, uncover the impressive history of Christian sanctuaries that peaked during the reign of the Byzantine Empire. Visit Kariye Museum, once Chora Church, and ogle its frescoes and mosaics. See mosques converted from churches such as Pammakaristos and Pantocrator. Immerse with your guide to discover the history of palatial remains plus enjoy lunch included on this tour. Numbers on this small-group tour are limited to 15 people for a more intimate experience.