Goreme In Cappadocia (Turkey) - The Most Famous Sight In Turkey's Cappadocia Region And Rightly So Is The Goreme Open-Air Museum. The Goreme Valley Holds The Region's Best Collection Of Painted Cave-churches. Medieval Orthodox Christian Monks (1000-1200 AD) Carved The Caves From The Soft Volcanic Stone And Decorated Them With Elaborate Byzantine Frescoes. Photo