Varlaam and Roussanou monasteries, Meteora, UNESCO World Heritage Site, Thessaly, Greece, Europe

architecture building cliff color image day europe greece hilltop historical landmark isolation manor meteora monastery mountain nobody outdoors photography precarious remote rock formation roussanou saint nicholas st nicholas thessaly tourist attraction travel travel destinations unesco unesco world heritage site varlaam vertical world heritage site color colour daytime eu eu european european union formation greek hill historical history house landmark mansion mediterranean outside peak rock seclusion solitude south east europe southern european structure